Botsch, R. E. (1993). Organizing the breathless: Cotton dust, southern politics & the Brown Lung Association. The University Press of Kentucky.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBotsch, Robert Emil. Organizing the Breathless: Cotton Dust, Southern Politics & the Brown Lung Association. Lexington, Kentucky: The University Press of Kentucky, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBotsch, Robert Emil. Organizing the Breathless: Cotton Dust, Southern Politics & the Brown Lung Association. The University Press of Kentucky, 1993.
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