Singh, P. (2007). Introduction to Biotechnology (2nd ed.). Kalyani Publishers.
Chicago-čujuhus (17. p.)Singh, Phundan. Introduction to Biotechnology. 2nd ed. New Delhi: Kalyani Publishers, 2007.
MLA-čujuhus (9. p.)Singh, Phundan. Introduction to Biotechnology. 2nd ed. Kalyani Publishers, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.