Information Journal Paper
APA:
CopyHELPMAN, ELHANAM. (1981). INTERNATIONAL TRADE IN THE PRESENCE OF PRODUCT DIFFERENTIATION, ECONOMIES OF SCALE AND MONOPOLISTIC COMPETITION : A CHAMBERLIN-HECKSCHER-OHLIN APPROACH. JOURNAL OF INTERNATIONAL ECONOMICS, 11(3), 305-340. SID. https://sid.ir/paper/561615/en
Vancouver:
CopyHELPMAN ELHANAM. INTERNATIONAL TRADE IN THE PRESENCE OF PRODUCT DIFFERENTIATION, ECONOMIES OF SCALE AND MONOPOLISTIC COMPETITION : A CHAMBERLIN-HECKSCHER-OHLIN APPROACH. JOURNAL OF INTERNATIONAL ECONOMICS[Internet]. 1981;11(3):305-340. Available from: https://sid.ir/paper/561615/en
IEEE:
CopyELHANAM HELPMAN, “INTERNATIONAL TRADE IN THE PRESENCE OF PRODUCT DIFFERENTIATION, ECONOMIES OF SCALE AND MONOPOLISTIC COMPETITION : A CHAMBERLIN-HECKSCHER-OHLIN APPROACH,” JOURNAL OF INTERNATIONAL ECONOMICS, vol. 11, no. 3, pp. 305–340, 1981, [Online]. Available: https://sid.ir/paper/561615/en