Sons of the Pioneers, TGG Direct (Firm), Van Cleef, L., Connors, C., Wayne, J., Wills, C., . . . Robbins, M. (2010). 20 wild westerns. TGG Direct.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSons of the Pioneers, et al. 20 Wild Westerns. [Cherry Hill, NJ]: TGG Direct, 2010.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSons of the Pioneers, et al. 20 Wild Westerns. TGG Direct, 2010.
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