Eberly, D. E. (1998). America`s promise. Rowman & Littlefield Publishers, Inc.
Lua i Stíl Chicago (17ú heag.)Eberly, Don E. America`s Promise. Rowman & Littlefield Publishers, Inc, 1998.
Lua MLA (8ú heag.)Eberly, Don E. America`s Promise. Rowman & Littlefield Publishers, Inc, 1998.
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