Dubey, R. M. (1992). Human ecology and environmental education Vol 2.
Style de citation ChicagoDubey, R M. Human Ecology and Environmental Education Vol 2. Allahabad, Chugh Publications, 1992.
Style de citation MLADubey, R M. Human Ecology and Environmental Education Vol 2. 1992.
Attention : ces citations peuvent ne pas être correctes à 100%.