APA ציטוט

(1981). Cimmyt's maize program presentation week - September 7-11,1981. México: International Maize and wheat improvement center.

Trích dẫn kiểu Chicago

Cimmyt's Maize Program Presentation Week - September 7-11,1981. México: International Maize and wheat improvement center, 1981.

ציטוט MLA

Cimmyt's Maize Program Presentation Week - September 7-11,1981. México: International Maize and wheat improvement center, 1981.