APA (7th ed.) Zitazioa
Barnard, E. S. (1977). Story of the great American West. Reader's Digest Association.
Chicago Style (17th ed.) Zitazioa
Barnard, Edward S. Story of the Great American West. Pleasantville, N.Y.: Reader's Digest Association, 1977.
MLA (9th ed.) Zitazioa
Barnard, Edward S. Story of the Great American West. Reader's Digest Association, 1977.
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