Citazione APA

Nelson, H. D. (1974). Area handbook for the United Republic of Cameroon (First edition.). U.S. Government Printing Office.

Stile di citazione Chicago

Nelson, Harold D. Area Handbook for the United Republic of Cameroon. First edition. Washington D.C.: U.S. Government Printing Office, 1974.

Citazione MLA

Nelson, Harold D. Area Handbook for the United Republic of Cameroon. First edition. U.S. Government Printing Office, 1974.