APA (7th ed.) Zitazioa

Otiende, J. E. (1991). An introduction to environmental education. Nairobi Univ Press.

Chicago Style (17th ed.) Zitazioa

Otiende, James E. An Introduction to Environmental Education. Nairobi: Nairobi Univ Press, 1991.

MLA (9th ed.) Zitazioa

Otiende, James E. An Introduction to Environmental Education. Nairobi Univ Press, 1991.