APA (7e ed.) Bronvermelding
Organisation for Economic Co-operation and Development. (1971). United States: 1971. OECD Publishing.
Chicago (17e ed.) Bronvermelding
Organisation for Economic Co-operation and Development. United States: 1971. Paris: OECD Publishing, 1971.
MLA (9e ed.) Bronvermelding
Organisation for Economic Co-operation and Development. United States: 1971. OECD Publishing, 1971.
Let op: Deze citaties zijn niet altijd 100% accuraat.