O'Brien, M. B. (2003). Into the western winds: Pioneer boys traveling the overland trails. TwoDot/Globe Pequot Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रO'Brien, Mary Barmeyer. Into the Western Winds: Pioneer Boys Traveling the Overland Trails. Guilford, Conn.: TwoDot/Globe Pequot Press, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रO'Brien, Mary Barmeyer. Into the Western Winds: Pioneer Boys Traveling the Overland Trails. TwoDot/Globe Pequot Press, 2003.
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