Παραπομπή APA

Sohal, H. S. S. (1994). Environment and biotechnology.

Παραπομπή Chicago Style

Sohal, Harvinder S; Srivastava. Environment and Biotechnology. Ashish Publishing House, New Delhi, 1994.

Παραπομπή MLA

Sohal, Harvinder S; Srivastava. Environment and Biotechnology. 1994.