APA (7e ed.) Bronvermelding

Não informado. (1960). Main Economic Indicators. Department of Economics and Statistics.

Chicago (17e ed.) Bronvermelding

Não informado. Main Economic Indicators. Paris: Department of Economics and Statistics, 1960.

MLA (8e ed.) Bronvermelding

Não informado. Main Economic Indicators. Department of Economics and Statistics, 1960.

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