APA aipamena

Roy, S. (1990). Agriculture and technology in developing countries: India and Nigeria. Sage Publications.

Chicago Style aipamena

Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. New Delhi ; Newbury Park: Sage Publications, 1990.

MLA aipamena

Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. Sage Publications, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.