American University (Washington, D.C.). Foreign Area Studies, & Whitaker, D. P. (1979). Laos, a country study (2nd ed.). [Foreign Area Studies, American University] : For sale by the Supt. of Docs., U.S. G.P.O..
Παραπομπή σε μορφή Chicago (17η εκδ.)American University (Washington, D.C.). Foreign Area Studies, και Donald P. Whitaker. Laos, a Country Study. 2nd ed. Washington, D.C.: [Foreign Area Studies, American University] : For sale by the Supt. of Docs., U.S. G.P.O., 1979.
Παραπομπή σε μορφή MLA (8th εκδ.)American University (Washington, D.C.). Foreign Area Studies, και Donald P. Whitaker. Laos, a Country Study. 2nd ed. [Foreign Area Studies, American University] : For sale by the Supt. of Docs., U.S. G.P.O., 1979.
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