APA (7e ed.) Bronvermelding
Organisation for Economic Co-operation and Development. (1978). Oecd economic surveys: Portugal 1977. OECD Publishing.
Chicago (17e ed.) Bronvermelding
Organisation for Economic Co-operation and Development. Oecd Economic Surveys: Portugal 1977. Paris, France: OECD Publishing, 1978.
MLA (9e ed.) Bronvermelding
Organisation for Economic Co-operation and Development. Oecd Economic Surveys: Portugal 1977. OECD Publishing, 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.