Adams, R. F. (1969). Six-guns and saddle leather: A bibliography of books and pamphlets on western outlaws and gunmen (New ed.). University of Oklahoma Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAdams, Ramon F. Six-guns and Saddle Leather: A Bibliography of Books and Pamphlets on Western Outlaws and Gunmen. New ed. [Norman: University of Oklahoma Press, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAdams, Ramon F. Six-guns and Saddle Leather: A Bibliography of Books and Pamphlets on Western Outlaws and Gunmen. New ed. University of Oklahoma Press, 1969.
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