Behrman, J. N. (1980). Tropical diseases responses of pharmaceutical compainies. Washington: American Enterprise Institute for Public Policy Research.
استشهاد بنمط شيكاغوBehrman, Jack N. Tropical Diseases Responses of Pharmaceutical Compainies. Washington: American Enterprise Institute for Public Policy Research, 1980.
MLA استشهادBehrman, Jack N. Tropical Diseases Responses of Pharmaceutical Compainies. Washington: American Enterprise Institute for Public Policy Research, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.