एपीए उद्धरण

Drummond, H. E. (2004). Agricultural economics. Upper Saddle River, N.J: Prentice Hall.

शिकागो स्टाइल उद्धरण

Drummond, H. Evan. Agricultural Economics. Upper Saddle River, N.J: Prentice Hall, 2004.

एमएलए उद्धरण

Drummond, H. Evan. Agricultural Economics. Upper Saddle River, N.J: Prentice Hall, 2004.