एपीए उद्धरण

Das, O. G. (1987). Organisation & management of public distribution system.

शिकागो स्टाइल उद्धरण

Das, Ojha Ghanshyam. Organisation & Management of Public Distribution System. Mittal Publications, Delhi, 1987.

एमएलए उद्धरण

Das, Ojha Ghanshyam. Organisation & Management of Public Distribution System. 1987.