Library of Congress. Federal Research Division, Worden, R. L., & Savada, A. M. (1991). Mongolia: A country study (2nd ed.). For sale by the Supt. of Docs., U.S. G.P.O..
Citace podle Chicago (17th ed.)Library of Congress. Federal Research Division, Robert L. Worden, a Andrea Matles Savada. Mongolia: A Country Study. 2nd ed. Washington, D.C.: For sale by the Supt. of Docs., U.S. G.P.O., 1991.
Citace podle MLA (8th ed.)Library of Congress. Federal Research Division, et al. Mongolia: A Country Study. 2nd ed. For sale by the Supt. of Docs., U.S. G.P.O., 1991.
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