Citazione APA

Punnen Kurian Venkadathu. (2000). Environmental biology and ethology.

Stile di citazione Chicago

Punnen Kurian Venkadathu. Environmental Biology and Ethology. Kottayam, zoological society of Kerala, 2000.

Citazione MLA

Punnen Kurian Venkadathu. Environmental Biology and Ethology. 2000.