Gowin, E. B., & Wheatley, W. A. (1916). Occupations: A textbook in vocational guidance. Ginn and Company.
Lua i Stíl Chicago (17ú heag.)Gowin, Enoch Burton, agus William Alonzo Wheatley. Occupations: A Textbook in Vocational Guidance. Boston : New York [etc.]: Ginn and Company, 1916.
Lua MLA (8ú heag.)Gowin, Enoch Burton, agus William Alonzo Wheatley. Occupations: A Textbook in Vocational Guidance. Ginn and Company, 1916.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.