APA ציטוט

Beets, W. C. (1982). Multiple cropping and tropical farming systems. Gower Pub.

Chicago Style (17th ed.) Citation

Beets, Willem C. Multiple Cropping and Tropical Farming Systems. England: Gower Pub, 1982.

ציטוט MLA

Beets, Willem C. Multiple Cropping and Tropical Farming Systems. Gower Pub, 1982.