Gefu, J. O. (1992). Pastoralist perspectives in Nigeria: The Fulbe of Udubo grazing reserve. Nordiska Afrikainstitutet.
Tohutoru Kātū Chicago (17th ed.)Gefu, Jerome O. Pastoralist Perspectives in Nigeria: The Fulbe of Udubo Grazing Reserve. Motala: Nordiska Afrikainstitutet, 1992.
Tohutoro MLA (9th ed.)Gefu, Jerome O. Pastoralist Perspectives in Nigeria: The Fulbe of Udubo Grazing Reserve. Nordiska Afrikainstitutet, 1992.
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