Roy, S. (1990). Agriculture and technology in developing countries: India and Nigeria. Sage Publications.
Citazione stile Chigago Style (17a edizione)Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. New Delhi ; Newbury Park: Sage Publications, 1990.
Citatione MLA (8a ed.)Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. Sage Publications, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.