McMurtrie, D. C. (1934). Was there a printing press in Washington in 1844? Black Cat Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcMurtrie, Douglas C. Was There a Printing Press in Washington in 1844? Chicago: Black Cat Press, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcMurtrie, Douglas C. Was There a Printing Press in Washington in 1844? Black Cat Press, 1934.
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