एपीए उद्धरण

Singh, R. P. (1993). Introductory biotechnology. Central Book.

शिकागो स्टाइल उद्धरण

Singh, R. P. Introductory Biotechnology. Allahabad: Central Book, 1993.

एमएलए उद्धरण

Singh, R. P. Introductory Biotechnology. Central Book, 1993.