APA引文

American University (Washington, D.C.). Foreign Area Studies, & Nelson, H. D. (1984). Costa Rica, a country study (2nd ed.). For sale by the Supt. of Docs., U.S. G.P.O.

Chicago Style (17th ed.) Citation

American University (Washington, D.C.). Foreign Area Studies, and Harold D. Nelson. Costa Rica, a Country Study. 2nd ed. Washington, D.C: For sale by the Supt. of Docs., U.S. G.P.O, 1984.

MLA引文

American University (Washington, D.C.). Foreign Area Studies, and Harold D. Nelson. Costa Rica, a Country Study. 2nd ed. For sale by the Supt. of Docs., U.S. G.P.O, 1984.