APA (7e ed.) Bronvermelding

(1972). Economic aspects of population change. Government printing office.

Chicago (17e ed.) Bronvermelding

Economic Aspects of Population Change. Washington: Government printing office, 1972.

MLA (9e ed.) Bronvermelding

Economic Aspects of Population Change. Government printing office, 1972.

Let op: Deze citaties zijn niet altijd 100% accuraat.