Citazione APA

Asok, M., Gisela, M., & Randhawa, M. (1964). Farmers of India V.4. Indian Council of Agricultural research.

Stile di citazione Chicago

Asok, Mitra, Mehta Gisela, e M.S Randhawa. Farmers of India V.4. New Delhi: Indian Council of Agricultural research, 1964.

Citazione MLA

Asok, Mitra, et al. Farmers of India V.4. Indian Council of Agricultural research, 1964.