Foote, A. E., & Skinner, A. W. (1929). Explorers and founders of America (Rev. ed.). American Book Co..
Lua i Stíl Chicago (17ú heag.)Foote, Anna Elizabeth, agus Avery Warner Skinner. Explorers and Founders of America. Rev. ed. New York : Cincinnati [etc.]: American Book Co., 1929.
Lua MLA (8ú heag.)Foote, Anna Elizabeth, agus Avery Warner Skinner. Explorers and Founders of America. Rev. ed. American Book Co., 1929.
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