Limao, N., & Venables, A. (1999). Geographical Disadvantage: A Heckscher-Ohlin-Von Thunen model of International Specialization. CEPR.
芝加哥风格引文Limao, N., 与 A. Venables. Geographical Disadvantage: A Heckscher-Ohlin-Von Thunen Model of International Specialization. CEPR, 1999.
MLA引文Limao, N., 与 A. Venables. Geographical Disadvantage: A Heckscher-Ohlin-Von Thunen Model of International Specialization. CEPR, 1999.
警告：这些引文格式不一定是100％准确.