APA ציטוט

Hay, R. K. M. (2006). The physiology of crop yield. Oxford: Blackwell Pub.

Trích dẫn kiểu Chicago

Hay, Robert K. M. The Physiology of Crop Yield. Oxford: Blackwell Pub, 2006.

ציטוט MLA

Hay, Robert K. M. The Physiology of Crop Yield. Oxford: Blackwell Pub, 2006.