APA (7e ed.) Bronvermelding
(1973). Social Indicators..: Selected statistics on social conditions and trends in the United States. U.S.Governm.Print.Off.
Chicago (17e ed.) Bronvermelding
Social Indicators..: Selected Statistics on Social Conditions and Trends in the United States. Washington: U.S.Governm.Print.Off, 1973.
MLA (9e ed.) Bronvermelding
Social Indicators..: Selected Statistics on Social Conditions and Trends in the United States. U.S.Governm.Print.Off, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.