(1960). European guide to general courses in business management. [New York]: European Productivity Agency.
استشهاد بنمط شيكاغوEuropean Guide to General Courses in Business Management. [New York]: European Productivity Agency, 1960.
MLA استشهادEuropean Guide to General Courses in Business Management. [New York]: European Productivity Agency, 1960.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.