Light H R. (1969). Business executive /2e: A guide to effective performance in business (2nd ed.). Sir Isaac Pitman.
استشهاد بنمط شيكاغوLight H R. Business Executive /2e: A Guide to Effective Performance in Business. 2nd ed. London: Sir Isaac Pitman, 1969.
MLA استشهادLight H R. Business Executive /2e: A Guide to Effective Performance in Business. 2nd ed. Sir Isaac Pitman, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.