APA استشهاد

Berck,P, & Bigman,D. (1993). Food security and food inventories in developing countries. CAB International.

استشهاد بنمط شيكاغو

Berck,P, و Bigman,D. Food Security and Food Inventories in Developing Countries. Wallingford: CAB International, 1993.

MLA استشهاد

Berck,P, و Bigman,D. Food Security and Food Inventories in Developing Countries. CAB International, 1993.