Gutkind, P. C. W. (1974). The emergent Africa urban proletariat. Centre for Developing - Area Studies.
芝加哥风格引文Gutkind, Peter Claus Wolfgang. The Emergent Africa Urban Proletariat. Montreal: Centre for Developing - Area Studies, 1974.
MLA引文Gutkind, Peter Claus Wolfgang. The Emergent Africa Urban Proletariat. Centre for Developing - Area Studies, 1974.
警告：这些引文格式不一定是100％准确.