Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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