APA استشهاد

Ammerman, G. R., & Edmond, J. B. (1971). Sweet potatoes: Production, processing marketing. Avi Publishing company Inc.

استشهاد بنمط شيكاغو

Ammerman, G R., و J B. Edmond. Sweet Potatoes: Production, Processing Marketing. Connecticut: Avi Publishing company Inc, 1971.

MLA استشهاد

Ammerman, G R., و J B. Edmond. Sweet Potatoes: Production, Processing Marketing. Avi Publishing company Inc, 1971.