एपीए उद्धरण

Boatfield, G. (1971). Cassel book of farm study. Casesll.

शिकागो स्टाइल उद्धरण

Boatfield, G. Cassel Book of Farm Study. London: Casesll, 1971.

एमएलए उद्धरण

Boatfield, G. Cassel Book of Farm Study. Casesll, 1971.