APA (7e ed.) Bronvermelding

Não informado. (1976). Quarterly oil statistics. Organization for Economic Co-operation and Development.

Chicago (17e ed.) Bronvermelding

Não informado. Quarterly Oil Statistics. Paris: Organization for Economic Co-operation and Development, 1976.

MLA (8e ed.) Bronvermelding

Não informado. Quarterly Oil Statistics. Organization for Economic Co-operation and Development, 1976.

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