Kugbei, S. (2000). Seed economics: Commercial considerations for enterprise management in developing countries. Aleppo, Syria: International center for agricultural research in the dry.
استشهاد بنمط شيكاغوKugbei, Sam. Seed Economics: Commercial Considerations for Enterprise Management in Developing Countries. Aleppo, Syria: International center for agricultural research in the dry, 2000.
MLA استشهادKugbei, Sam. Seed Economics: Commercial Considerations for Enterprise Management in Developing Countries. Aleppo, Syria: International center for agricultural research in the dry, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.