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.
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.