एपीए उद्धरण

Ashok Kumar. (2006). Protein biotechnology. Discovery publishing house.

शिकागो स्टाइल उद्धरण

Ashok Kumar. Protein Biotechnology. New Delhi: Discovery publishing house, 2006.

एमएलए उद्धरण

Ashok Kumar. Protein Biotechnology. Discovery publishing house, 2006.