एपीए उद्धरण

Singh, L. (1992). Ecomomics of Tobacco Cultivation, Production and Exchange. Deep & Deep.

शिकागो स्टाइल उद्धरण

Singh, L.P. Ecomomics of Tobacco Cultivation, Production and Exchange. New Delhi: Deep & Deep, 1992.

एमएलए उद्धरण

Singh, L.P. Ecomomics of Tobacco Cultivation, Production and Exchange. Deep & Deep, 1992.