Prodipto Roy, Fliegel,Frederick C, Kivlin Joseph E, & Lalit K Sen. (1968). Agricultural innovation among Indian farmers. National institute of community development.
استشهاد بنمط شيكاغوProdipto Roy, Fliegel,Frederick C, Kivlin Joseph E, و Lalit K Sen. Agricultural Innovation Among Indian Farmers. India: National institute of community development, 1968.
MLA استشهادProdipto Roy, et al. Agricultural Innovation Among Indian Farmers. National institute of community development, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.