APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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.