APA استشهاد

Chopra, V., & Nasim, A. (1990). Genetic engineering and biotechnology (1st.). Oxford and IBH.

استشهاد بنمط شيكاغو

Chopra, V.L, و Anwar Nasim. Genetic Engineering and Biotechnology. 1st. New Delhi: Oxford and IBH, 1990.

MLA استشهاد

Chopra, V.L, و Anwar Nasim. Genetic Engineering and Biotechnology. 1st. Oxford and IBH, 1990.