Foote, A. E., & Skinner, A. W. (1929). Explorers and founders of America (Rev. ed.). American Book Co..
Dyfyniad Arddull ChicagoFoote, Anna Elizabeth, and Avery Warner Skinner. Explorers and Founders of America. Rev. ed. New York : Cincinnati [etc.]: American Book Co., 1929.
Dyfyniad MLAFoote, Anna Elizabeth, and Avery Warner Skinner. Explorers and Founders of America. Rev. ed. American Book Co., 1929.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.