Botsch, R. E. (1993). Organizing the breathless: Cotton dust, southern politics & the Brown Lung Association. The University Press of Kentucky.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Botsch, Robert Emil. Organizing the Breathless: Cotton Dust, Southern Politics & the Brown Lung Association. Lexington, Kentucky: The University Press of Kentucky, 1993.
MLA -ийн эшлэл (9 дэх хэвлэлт)Botsch, Robert Emil. Organizing the Breathless: Cotton Dust, Southern Politics & the Brown Lung Association. The University Press of Kentucky, 1993.
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