Παραπομπή APA

Sen, C., & Datta, S. (1991). Biotechnology in crop protection. Bidhan Chandra Krishi Viswavidyalaya.

Παραπομπή Chicago Style

Sen, Chitreswar, και Sunil Datta. Biotechnology in Crop Protection. W.Bengal: Bidhan Chandra Krishi Viswavidyalaya, 1991.

Παραπομπή MLA

Sen, Chitreswar, και Sunil Datta. Biotechnology in Crop Protection. Bidhan Chandra Krishi Viswavidyalaya, 1991.