Singh, B. D. (2010). Biotechnology: Expanding horizons (3rd rev. ed.). Kalyani.
Chicago Style aipamenaSingh, B. D. Biotechnology: Expanding Horizons. 3rd rev. ed. Ludhiana, India: Kalyani, 2010.
MLA aipamenaSingh, B. D. Biotechnology: Expanding Horizons. 3rd rev. ed. Kalyani, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.