Information Journal Paper
APA:
CopyKRUGMAN, -, & PAUL, R.. (1980). SCALE ECONOMIES, PRODUCT DIFFERENTIATION AND THE PATTERN OF INTERNATIONAL TRADE. AMERICAN ECONOMIC REVIEW, 70(5), 950-959. SID. https://sid.ir/paper/577003/en
Vancouver:
CopyKRUGMAN -, PAUL R.. SCALE ECONOMIES, PRODUCT DIFFERENTIATION AND THE PATTERN OF INTERNATIONAL TRADE. AMERICAN ECONOMIC REVIEW[Internet]. 1980;70(5):950-959. Available from: https://sid.ir/paper/577003/en
IEEE:
Copy- KRUGMAN, and R. PAUL, “SCALE ECONOMIES, PRODUCT DIFFERENTIATION AND THE PATTERN OF INTERNATIONAL TRADE,” AMERICAN ECONOMIC REVIEW, vol. 70, no. 5, pp. 950–959, 1980, [Online]. Available: https://sid.ir/paper/577003/en