APA (7e ed.) Bronvermelding

E., H. (1967). Trends in the World Demand for Primary Products & Their Impli-cations for the Exports of De-veloping Countries. The Institute of National Planning.

Chicago (17e ed.) Bronvermelding

E., Hammam. Trends in the World Demand for Primary Products & Their Impli-cations for the Exports of De-veloping Countries. Cairo: The Institute of National Planning, 1967.

MLA (9e ed.) Bronvermelding

E., Hammam. Trends in the World Demand for Primary Products & Their Impli-cations for the Exports of De-veloping Countries. The Institute of National Planning, 1967.

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