APA (7e ed.) Bronvermelding

(1971). The Journal of environmental education. Dembar Educational Research Services.

Chicago (17e ed.) Bronvermelding

The Journal of Environmental Education. Madison, Wis.: Dembar Educational Research Services, 1971.

MLA (9e ed.) Bronvermelding

The Journal of Environmental Education. Dembar Educational Research Services, 1971.

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