Brewer, J. M. (1943). Occupations today. Ginn.
Lua i Stíl Chicago (17ú heag.)Brewer, John Marks. Occupations Today. Boston: Ginn, 1943.
Lua MLA (9ú heag.)Brewer, John Marks. Occupations Today. Ginn, 1943.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.