(1974). world factbook 1974: A handbook of economics, political and geographic intelligence. Massachusetts Publishing Science Group, Inc.
Chicago Edition CitationWorld Factbook 1974: A Handbook of Economics, Political and Geographic Intelligence. Acton: Massachusetts Publishing Science Group, Inc, 1974.
ציטוט MLAWorld Factbook 1974: A Handbook of Economics, Political and Geographic Intelligence. Massachusetts Publishing Science Group, Inc, 1974.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.