एपीए उद्धरण

Heady, E. O. (1964). economics of agricultural production and resource use. Prentice hall of India pvt. ltd.

शिकागो स्टाइल उद्धरण

Heady, Earl O. Economics of Agricultural Production and Resource Use. New Delhi: Prentice hall of India pvt. ltd, 1964.

एमएलए उद्धरण

Heady, Earl O. Economics of Agricultural Production and Resource Use. Prentice hall of India pvt. ltd, 1964.