Citazione APA

Kumar, P., & Rai, S. K. (2011). GATE 2012: Biotechnology. Koncept books.

Stile di citazione Chicago

Kumar, Prabhanshu, e Santosh Kumar Rai. GATE 2012: Biotechnology. Dehradun: Koncept books, 2011.

Citazione MLA

Kumar, Prabhanshu, e Santosh Kumar Rai. GATE 2012: Biotechnology. Koncept books, 2011.