Varma, P., & Agarwal, V. K. (1975). Genetics (9th ed.). S. Chand.
Cita Chicago (17th ed.)Varma, P.S, i V. K. Agarwal. Genetics. 9th ed. Ram Nagar, New Delhi: S. Chand, 1975.
Cita MLA (9th ed.)Varma, P.S, i V. K. Agarwal. Genetics. 9th ed. S. Chand, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.