Styl cytowania APA

Green, R. H. (1974). Petroleum prices and African development: Retrenchment or reassessment? International journal. - Canadian Institute of International Affairs.

Styl cytowania Chicago

Green, Reginald Herbold. "Petroleum Prices and African Development: Retrenchment or Reassessment?" International Journal. - Canadian Institute of International Affairs 1974.

Styl cytowania MLA

Green, Reginald Herbold. "Petroleum Prices and African Development: Retrenchment or Reassessment?" International Journal. - Canadian Institute of International Affairs, 1974.