Gupta & P. K. (2009). Elements of Biotechnology (2nd ed.). Rastogi Publications.
Cita Chicago (17th ed.)Gupta i P. K. Elements of Biotechnology. 2nd ed. Meerut: Rastogi Publications, 2009.
Cita MLA (9th ed.)Gupta i P. K. Elements of Biotechnology. 2nd ed. Rastogi Publications, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.