APA (7e ed.) Bronvermelding

Dubey, R. (1992). Human ecology and environmental education: Interdisciplinary approaches. Chungh Publications.

Chicago (17e ed.) Bronvermelding

Dubey, R.M. Human Ecology and Environmental Education: Interdisciplinary Approaches. Allahabad: Chungh Publications, 1992.

MLA (9e ed.) Bronvermelding

Dubey, R.M. Human Ecology and Environmental Education: Interdisciplinary Approaches. Chungh Publications, 1992.