APA (7e ed.) Bronvermelding
North Atlantic Treaty Organization. Information Service. (1971). NATO facts and figures.
Chicago (17e ed.) Bronvermelding
North Atlantic Treaty Organization. Information Service. NATO Facts and Figures. Brussels, 1971.
MLA (9e ed.) Bronvermelding
North Atlantic Treaty Organization. Information Service. NATO Facts and Figures. 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.