Trivedi, P. R., & Gurdeep, R. (1991). Environmental Biology. Akashdeep.
Citación estilo ChicagoTrivedi, P. Rand, and Raj Gurdeep. Environmental Biology. Delhi: Akashdeep, 1991.
Cita MLATrivedi, P. Rand, and Raj Gurdeep. Environmental Biology. Akashdeep, 1991.
Warning: These citations may not always be 100% accurate.