Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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