Cita APA (7th ed.)

Herrick, A. B. (1968). Area handbook for Tanzania. U.S. Government Printing Office.

Cita Chicago (17th ed.)

Herrick, Allison Butler. Area Handbook for Tanzania. Washington, D.C: U.S. Government Printing Office, 1968.

Cita MLA (9th ed.)

Herrick, Allison Butler. Area Handbook for Tanzania. U.S. Government Printing Office, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.