Cita APA (7a ed.)

Agarwal KC. (2001). Fundamentals of environmental biology. Nidhi.

Cita Chicago Style (17a ed.)

Agarwal KC. Fundamentals of Environmental Biology. Bikaner: Nidhi, 2001.

Cita MLA (9a ed.)

Agarwal KC. Fundamentals of Environmental Biology. Nidhi, 2001.