Hoffman, F. L. (1920). Occupational diseases and their compensation: With special reference to anthrax and miners' lung diseases. Prudential Press; P.S. King & son.
Lua i Stíl Chicago (17ú heag.)Hoffman, Frederick L. Occupational Diseases and Their Compensation: With Special Reference to Anthrax and Miners' Lung Diseases. Newark, N.J., London: Prudential Press; P.S. King & son, 1920.
Lua MLA (8ú heag.)Hoffman, Frederick L. Occupational Diseases and Their Compensation: With Special Reference to Anthrax and Miners' Lung Diseases. Prudential Press; P.S. King & son, 1920.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.