APA Zitierstil

Gurdeep Raj & Trivedi, P. R. (1998). Environmental biology.

Chicago Zitierstil

Gurdeep Raj und P R. Trivedi. Environmental Biology. New delhi, Akash deep publishing house, 1998.

MLA Zitierstil

Gurdeep Raj und P R. Trivedi. Environmental Biology. 1998.