Collins, N. M., Harcourt, C. S., & Sayer,Jeffrey A. (1992). The conservation atlas of tropical forests: Africa. Macmillan.
Tohutoru Kātū Chicago (17th ed.)Collins, N. Mark, Caroline S. Harcourt, me Sayer,Jeffrey A. The Conservation Atlas of Tropical Forests: Africa. United Kingdom: Macmillan, 1992.
Tohutoro MLA (9th ed.)Collins, N. Mark, et al. The Conservation Atlas of Tropical Forests: Africa. Macmillan, 1992.
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