(1974). world factbook 1974: A handbook of economics, political and geographic intelligence. Massachusetts Publishing Science Group, Inc.
استشهاد بنمط شيكاغوWorld Factbook 1974: A Handbook of Economics, Political and Geographic Intelligence. Acton: Massachusetts Publishing Science Group, Inc, 1974.
MLA استشهادWorld Factbook 1974: A Handbook of Economics, Political and Geographic Intelligence. Massachusetts Publishing Science Group, Inc, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.