APA aipamena

Mitchell, W. B. (1969). Area handbook for Guyana. U.S. Government Printing Office.

Chicago Style aipamena

Mitchell, William B. Area Handbook for Guyana. Washington, D.C: U.S. Government Printing Office, 1969.

MLA aipamena

Mitchell, William B. Area Handbook for Guyana. U.S. Government Printing Office, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.