Roy, S. (1990). Agriculture and technology in developing countries: India and Nigeria. Sage Publications.
Chicagoスタイル(17版)引用形式Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. New Delhi ; Newbury Park: Sage Publications, 1990.
MLA(8版)引用形式Roy, Sumit. Agriculture and Technology in Developing Countries: India and Nigeria. Sage Publications, 1990.
警告: この引用は必ずしも正確ではありません.