APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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