(1960). Administration in Extension. Madison: National Agricultural Extension Center for Advanced Study, University of Wisconsin.
استشهاد بنمط شيكاغوAdministration in Extension. Madison: National Agricultural Extension Center for Advanced Study, University of Wisconsin, 1960.
MLA استشهادAdministration in Extension. Madison: National Agricultural Extension Center for Advanced Study, University of Wisconsin, 1960.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.