Hebard, G. R. (1932). The pathbreakers from river to ocean: The story of the great West from the time of Coronado to the present (6th ed., rev. and enl.). Arthur H. Clark Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHebard, Grace Raymond. The Pathbreakers from River to Ocean: The Story of the Great West from the Time of Coronado to the Present. 6th ed., rev. and enl. Glendale, Calif.: Arthur H. Clark Co., 1932.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHebard, Grace Raymond. The Pathbreakers from River to Ocean: The Story of the Great West from the Time of Coronado to the Present. 6th ed., rev. and enl. Arthur H. Clark Co., 1932.
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