Gefu, J. O. (1992). Pastoralist perspectives in Nigeria: The Fulbe of Udubo grazing reserve. Nordiska Afrikainstitutet.
芝加哥风格引文Gefu, Jerome O. Pastoralist Perspectives in Nigeria: The Fulbe of Udubo Grazing Reserve. Motala: Nordiska Afrikainstitutet, 1992.
MLA引文Gefu, Jerome O. Pastoralist Perspectives in Nigeria: The Fulbe of Udubo Grazing Reserve. Nordiska Afrikainstitutet, 1992.
警告：这些引文格式不一定是100％准确.