Lua APA (7ú heag.)

Beard, C. A., & Bagley, W. C. (1946). A first book in American history (Rev. ed.). Macmillan Co..

Lua i Stíl Chicago (17ú heag.)

Beard, Charles A., agus William C. Bagley. A First Book in American History. Rev. ed. New York: Macmillan Co., 1946.

Lua MLA (8ú heag.)

Beard, Charles A., agus William C. Bagley. A First Book in American History. Rev. ed. Macmillan Co., 1946.

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