Information Journal Paper
APA:
CopyGROSSMAN, G.M., & HELPMAN, E.. (1994). PROTECTION FOR SALE. AMERICAN ECONOMIC REVIEW, 84(4), 833-850. SID. https://sid.ir/paper/600096/en
Vancouver:
CopyGROSSMAN G.M., HELPMAN E.. PROTECTION FOR SALE. AMERICAN ECONOMIC REVIEW[Internet]. 1994;84(4):833-850. Available from: https://sid.ir/paper/600096/en
IEEE:
CopyG.M. GROSSMAN, and E. HELPMAN, “PROTECTION FOR SALE,” AMERICAN ECONOMIC REVIEW, vol. 84, no. 4, pp. 833–850, 1994, [Online]. Available: https://sid.ir/paper/600096/en