APA (7th ed.) Zitazioa
Bonar, S. A. (2007). The conservation professional's guide to working with people. Island Press.
Chicago Style (17th ed.) Zitazioa
Bonar, Scott A. The Conservation Professional's Guide to Working with People. Washington, DC: Island Press, 2007.
MLA (9th ed.) Zitazioa
Bonar, Scott A. The Conservation Professional's Guide to Working with People. Island Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.