APA (7e ed.) Bronvermelding
(1961). International Population Statistics Reports. U.S. Department of Commerce.
Chicago (17e ed.) Bronvermelding
International Population Statistics Reports. Washington: U.S. Department of Commerce, 1961.
MLA (9e ed.) Bronvermelding
International Population Statistics Reports. U.S. Department of Commerce, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.