एपीए उद्धरण

Butterwick, M., & Rolfe, E. N. (1971). Agricultural marketing and EEC. Hutchinson.

शिकागो स्टाइल उद्धरण

Butterwick, Michael, और Edmund Neville Rolfe. Agricultural Marketing and EEC. London: Hutchinson, 1971.

एमएलए उद्धरण

Butterwick, Michael, और Edmund Neville Rolfe. Agricultural Marketing and EEC. Hutchinson, 1971.