Gaya APA

Morgan, W, K, C., Seaton, A. (1984). Occupational Lung Diseases (2nd ed). Philadelphia: W.B. Saunders Company.

Gaya MLA

Morgan, W., Keith, C., Seaton, Anthony. "Occupational Lung Diseases". 2nd ed Philadelphia: W.B. Saunders Company, 1984. print.