एपीए उद्धरण

Gopalakrishnan, K. (1990). Studies on the toxic effects of some pesticides on the fish. Cochin University of Science and Technology.

शिकागो स्टाइल उद्धरण

Gopalakrishnan, K.S. Studies on the Toxic Effects of Some Pesticides on the Fish. Cochin: Cochin University of Science and Technology, 1990.

एमएलए उद्धरण

Gopalakrishnan, K.S. Studies on the Toxic Effects of Some Pesticides on the Fish. Cochin University of Science and Technology, 1990.