APA-referens

Reddy, N. D., & Reddy, P. K. (2007). Environmental Education.

Chicago-stil citat

Reddy, Narasimha D., och Purushotham K. Reddy. Environmental Education. Hyderabad, Neelkamal Publications, 2007.

MLA-referens

Reddy, Narasimha D., och Purushotham K. Reddy. Environmental Education. 2007.