APA-viite

Dubey, R. M. (1992). Human ecology and environmental education Vol 2.

Chicago-tyylinen lähdeviittaus

Dubey, R M. Human Ecology and Environmental Education Vol 2. Allahabad, Chugh Publications, 1992.

MLA-viite

Dubey, R M. Human Ecology and Environmental Education Vol 2. 1992.