APA

Harber P., Schenker M. B. & Balmes J. R. (1996). OCCUPATIONAL and ENVIRONMENTAL RESPIRATORY DISEASE. New York: Mosby.

Chicago

Harber Philip, Schenker Marc B and Balmes John R. 1996. OCCUPATIONAL and ENVIRONMENTAL RESPIRATORY DISEASE. New York: Mosby.

Harvard

Harber P., Schenker M. B. and Balmes J. R. (1996). OCCUPATIONAL and ENVIRONMENTAL RESPIRATORY DISEASE. New York: Mosby.

MLA

Harber Philip, Schenker Marc B and Balmes John R. OCCUPATIONAL and ENVIRONMENTAL RESPIRATORY DISEASE. New York: Mosby. 1996.