APA (7e ed.) Bronvermelding

Não informado. (1971). Bulletin of Economic Research. University of Hull, Department of Economics.

Chicago (17e ed.) Bronvermelding

Não informado. Bulletin of Economic Research. Hull, Inglaterra: University of Hull, Department of Economics, 1971.

MLA (8e ed.) Bronvermelding

Não informado. Bulletin of Economic Research. University of Hull, Department of Economics, 1971.

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