Παραπομπή APA

Prodipto Roy, Fliegel,Frederick C, Kivlin Joseph E, & Lalit K Sen. (1968). Agricultural innovation among Indian farmers. National institute of community development.

Παραπομπή Chicago Style

Prodipto Roy, Fliegel,Frederick C, Kivlin Joseph E, και Lalit K Sen. Agricultural Innovation Among Indian Farmers. India: National institute of community development, 1968.

Παραπομπή MLA

Prodipto Roy, et al. Agricultural Innovation Among Indian Farmers. National institute of community development, 1968.