Cita APA (7th ed.)

Rao, P. K. (1993). Practical ecology. Anmol.

Cita Chicago (17th ed.)

Rao, Prof. K.S. Practical Ecology. New Delhi: Anmol, 1993.

Cita MLA (9th ed.)

Rao, Prof. K.S. Practical Ecology. Anmol, 1993.

Atenció: Aquestes cites poden no estar 100% correctes.