एपीए उद्धरण

Singh,P, & Singh,S P. (2012). Principles of vegetable production. Oxford Book Company.

शिकागो स्टाइल उद्धरण

Singh,P, और Singh,S P. Principles of Vegetable Production. Newdelhi: Oxford Book Company, 2012.

एमएलए उद्धरण

Singh,P, और Singh,S P. Principles of Vegetable Production. Oxford Book Company, 2012.