Thom, D. J. (1975). The Niger-Nigeria boundary, 1890-1906: A study of ethnic frontiers and a colonial boundary. Ohio University, Center for International Studies.
芝加哥风格引文Thom, Derrick J. The Niger-Nigeria Boundary, 1890-1906: A Study of Ethnic Frontiers and a Colonial Boundary. Athens: Ohio University, Center for International Studies, 1975.
MLA引文Thom, Derrick J. The Niger-Nigeria Boundary, 1890-1906: A Study of Ethnic Frontiers and a Colonial Boundary. Ohio University, Center for International Studies, 1975.
警告：这些引文格式不一定是100％准确.