Ranis, G., & Stewart, F. (1999). V-Goods and the Role of the Urban Informal Sector in Development.
芝加哥风格引文Ranis, G., 与 F. Stewart. V-Goods and the Role of the Urban Informal Sector in Development. 1999.
MLA引文Ranis, G., 与 F. Stewart. V-Goods and the Role of the Urban Informal Sector in Development. 1999.
警告：这些引文格式不一定是100％准确.