Nelson, H. D. (1974). Area handbook for the United Republic of Cameroon (First edition.). U.S. Government Printing Office.
Citace podle Chicago (17th ed.)Nelson, Harold D. Area Handbook for the United Republic of Cameroon. First edition. Washington D.C.: U.S. Government Printing Office, 1974.
Citace podle MLA (8th ed.)Nelson, Harold D. Area Handbook for the United Republic of Cameroon. First edition. U.S. Government Printing Office, 1974.
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