Krishna Rao,Y V. (1993). Technology and social change in agriculture. Peoples.
Chicago Style aipamenaKrishna Rao,Y V. Technology and Social Change in Agriculture. New Delhi: Peoples, 1993.
MLA aipamenaKrishna Rao,Y V. Technology and Social Change in Agriculture. Peoples, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.