APA (7th ed.) Zitazioa

Palmer, J. (1994). The Handbook of environmental education. Routledge.

Chicago Style (17th ed.) Zitazioa

Palmer, Joy. The Handbook of Environmental Education. London: Routledge, 1994.

MLA (9th ed.) Zitazioa

Palmer, Joy. The Handbook of Environmental Education. Routledge, 1994.