एपीए उद्धरण

Bengtsson, L. (1988). Farm structures in tropical climates. Rome: PAO ( Food and agriculture organization of the United Nations.

शिकागो स्टाइल उद्धरण

Bengtsson, Lennart. Farm Structures in Tropical Climates. Rome: PAO ( Food and agriculture organization of the United Nations, 1988.

एमएलए उद्धरण

Bengtsson, Lennart. Farm Structures in Tropical Climates. Rome: PAO ( Food and agriculture organization of the United Nations, 1988.