APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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