Roy, S. (1990). Agriculture and technology in developing countries: India and Nigeria. Sage Publications.
Cita Chicago Style (17a ed.)Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. New Delhi ; Newbury Park: Sage Publications, 1990.
Cita MLA (8a ed.)Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. Sage Publications, 1990.
Precaución: Estas citas no son 100% exactas.