bognar, j. (1965). the economic-political background of the planning of international trade. National Planning Institute.
Cytowanie według stylu Chicago (wyd. 17)bognar, jozsef. The Economic-political Background of the Planning of International Trade. cairo: National Planning Institute, 1965.
Cytowanie według stylu MLA (wyd. 9)bognar, jozsef. The Economic-political Background of the Planning of International Trade. National Planning Institute, 1965.