APA-referens

Giriappa, S. (1986). Energy environment in agriculture: A study of developed and developing systems. Ashish Publishing.

Chicago-stil citat

Giriappa, S. Energy Environment in Agriculture: A Study of Developed and Developing Systems. New Delhi: Ashish Publishing, 1986.

MLA-referens

Giriappa, S. Energy Environment in Agriculture: A Study of Developed and Developing Systems. Ashish Publishing, 1986.