APA (7e ed.) Bronvermelding
Otiende, J. E. (1991). An introduction to environmental education. Nairobi Univ Press.
Chicago (17e ed.) Bronvermelding
Otiende, James E. An Introduction to Environmental Education. Nairobi: Nairobi Univ Press, 1991.
MLA (9e ed.) Bronvermelding
Otiende, James E. An Introduction to Environmental Education. Nairobi Univ Press, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.