Sankhayan, P. (1998). Introduction to the economics of agricultural production. Prentice Hall Of India.
Chicago Style aipamenaSankhayan, P.L. Introduction to the Economics of Agricultural Production. New Delhi: Prentice Hall Of India, 1998.
MLA aipamenaSankhayan, P.L. Introduction to the Economics of Agricultural Production. Prentice Hall Of India, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.