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-Zitierstil (17. Ausg.)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-Zitierstil (9. Ausg.)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.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.