Cita APA (7th ed.)
American University (Washington, D.C.). Foreign Area Studies, Herrick, A. B., & Kaplan, I. (1979). Angola: A country study (2d ed.). for sale by the Supt. of Docs., U.S. Govt. Print. Off..
Cita Chicago (17th ed.)
American University (Washington, D.C.). Foreign Area Studies, Allison Butler Herrick, i Irving Kaplan. Angola: A Country Study. 2d ed. Washington ; Foreign Area Studies, American University: for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979.
Cita MLA (9th ed.)
American University (Washington, D.C.). Foreign Area Studies, et al. Angola: A Country Study. 2d ed. for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1979.
Atenció: Aquestes cites poden no estar 100% correctes.