Dyfyniad APA

Laney, A. S., Petsonk, E. L., Hale, J. M., Wolfe, A. L., & Attfield, M. D. (2012). Potential Determinants of Coal Workers’ Pneumoconiosis, Advanced Pneumoconiosis, and Progressive Massive Fibrosis Among Underground Coal Miners in the United States, 2005–2009. American Public Health Association.

Dyfyniad Arddull Chicago

Laney, A. Scott, Edward L. Petsonk, Janet M. Hale, Anita L. Wolfe, and Michael D. Attfield. Potential Determinants of Coal Workers’ Pneumoconiosis, Advanced Pneumoconiosis, and Progressive Massive Fibrosis Among Underground Coal Miners in the United States, 2005–2009. American Public Health Association, 2012.

Dyfyniad MLA

Laney, A. Scott, et al. Potential Determinants of Coal Workers’ Pneumoconiosis, Advanced Pneumoconiosis, and Progressive Massive Fibrosis Among Underground Coal Miners in the United States, 2005–2009. American Public Health Association, 2012.

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