- International Institute for Sustainable Development (1999) Participant observation and individual (accessed 9/12/02) interviews http://www.iisd.org/casl/CASLGuide/ParticipantObserver.htm
- Sarkissian, W., Perlgut, D & Ballard, E. (eds.) (1986) The Community Participation Handbook: resources for public involvement in the planning process. Roseville, NSW. Impacts Press.