Cita APA (7th ed.)

American University (Washington, D.C.). Foreign Area Studies, & Nyrop, R. F. (1977). Area handbook for the Persian Gulf States. for sale by the Supt. of Docs., U.S. Govt. Print. Off..

Cita Chicago (17th ed.)

American University (Washington, D.C.). Foreign Area Studies, i Richard F. Nyrop. Area Handbook for the Persian Gulf States. Washington: for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.

Cita MLA (8th ed.)

American University (Washington, D.C.). Foreign Area Studies, i Richard F. Nyrop. Area Handbook for the Persian Gulf States. for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1977.

Atenció: Aquestes cites poden no estar 100% correctes.