Isichei, A. O. (2014). Omo Biosphere Reserve, Current Status, Utilization of Biological Resources and Sustainable Management (Nigeria). UNESCO.
Chicago-čujuhus (17. p.)Isichei, Augustine O. Omo Biosphere Reserve, Current Status, Utilization of Biological Resources and Sustainable Management (Nigeria). UNESCO, 2014.
MLA-čujuhus (9. p.)Isichei, Augustine O. Omo Biosphere Reserve, Current Status, Utilization of Biological Resources and Sustainable Management (Nigeria). UNESCO, 2014.
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