एपीए उद्धरण

Whitaker, J. (1979). Agricultural buildings and structures. Reston publishers.

शिकागो स्टाइल उद्धरण

Whitaker, J.H. Agricultural Buildings and Structures. Virginia: Reston publishers, 1979.

एमएलए उद्धरण

Whitaker, J.H. Agricultural Buildings and Structures. Reston publishers, 1979.