ABBA, A. (2007). The Northern elements progressive union and the politics of radical nationalism in Nigeria, 1938-1960. The Abdullahi Smith Centre for Historical Research.
芝加哥风格引文ABBA, Alkasum. The Northern Elements Progressive Union and the Politics of Radical Nationalism in Nigeria, 1938-1960. The Abdullahi Smith Centre for Historical Research, 2007.
MLA引文ABBA, Alkasum. The Northern Elements Progressive Union and the Politics of Radical Nationalism in Nigeria, 1938-1960. The Abdullahi Smith Centre for Historical Research, 2007.
警告：这些引文格式不一定是100％准确.