Córdoba-Aguilar Alex (Ed.) (2008). Model Organisms for Ecological and Evolutionary Research. Oxford University Press.
Hunter-Central Rivers Catchment Management Authority (2011). Water quality parameters and indicators. Hunter-Central Rivers Waterwatch. Downloaded from http://www.hcr.cma.nsw.gov.au/uploads/res/Waterwatch/wwfs2_waterqualityparameters.pdf on 28 April 2011.
IUCN (2009). An Integrated Wetland – Assessment Toolkit: A guide to good practice. Edited by Oliver Springate-Baginski, David Allen and William Darwall. Downloaded from IUCN website http://data.iucn.org/dbtw-wpd/edocs/2009-015.pdf on 27 April 2011.
Kwok C. K. (2008). Testing Water Quality at Bukit Timah Nature Reserve. Nature Watch Vol 2, 2008: 20-23.
McPeek, M. (2008). Ecological factors limiting the distributions and abundances of Odonata. In: Aguilar, A.C. (Ed.). Dragonflies and damselflies: Model Organisms for Ecological and Evolutionary Research. Oxford University Press.
Meutter, F.v.D., Meester L.D., Stoks Robby (2005). Water turbidity affects predator-prey interactions in a fish-damselfly system. Oecologia 144: 327-336.
Murphy, D.H. (1997). Odonata Biodiversity in the Nature Reserves of Singapore. Proceedings of the Nature Reerves Survey Seminar. Gardens’ Bulletin Singapore 49: 333-352.
Oertli Beat (2008). The use of dragonflies in the assessment and monitoring of aquatic habitats. In: Aguilar, A.C. (Ed.). Model Organisms for Ecological and Evolutionary Research. Oxford University Press.
Samways, M.J. (2008). Dragonflies and Damselflies of South Africa. Pensoft Publishers, Bulgaria.
Silva, D.d.P. (2010). Adult odonate abundance and community assemblage measures as indicators of stream ecological integrity: A case study. Ecological Indicators 10: 744–752.
Simaika, J.P (2008). Conservation Biogeography of South African Dragonflies (Odonata), Thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Entomology at Stellenbosch University.