APA (7e ed.) Bronvermelding

Brainerd, J. W. (1971). Nature study for conservation: A handbook for environmental education. MacMillan.

Chicago (17e ed.) Bronvermelding

Brainerd, John W. Nature Study for Conservation: A Handbook for Environmental Education. New York: MacMillan, 1971.

MLA (9e ed.) Bronvermelding

Brainerd, John W. Nature Study for Conservation: A Handbook for Environmental Education. MacMillan, 1971.

Let op: Deze citaties zijn niet altijd 100% accuraat.