एपीए उद्धरण

Roy,Prodipto, & Kivlin,Joseph. (1968). Two blades of grass: A summary of two studies on agricultural innovation in India. National Institute of Community Development.

शिकागो स्टाइल उद्धरण

Roy,Prodipto, और Kivlin,Joseph. Two Blades of Grass: A Summary of Two Studies on Agricultural Innovation in India. Hyderabad: National Institute of Community Development, 1968.

एमएलए उद्धरण

Roy,Prodipto, और Kivlin,Joseph. Two Blades of Grass: A Summary of Two Studies on Agricultural Innovation in India. National Institute of Community Development, 1968.