D Dawe. (1999). IRRI discussion paper series No.33: Defining productivity and yield. Makati City, Philippines: IRRI.
استشهاد بنمط شيكاغوD Dawe. IRRI Discussion Paper Series No.33: Defining Productivity and Yield. Makati City, Philippines: IRRI, 1999.
MLA استشهادD Dawe. IRRI Discussion Paper Series No.33: Defining Productivity and Yield. Makati City, Philippines: IRRI, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.