La Salle Extension University, Diemer, H., Bloomfield, M., Bloomfield, D., & Dahm, E. F. (1921). The foreman and his job: The first work manual of the Modern foremanship course, being the expression of practical foremen. La Salle extension University.
Lua i Stíl Chicago (17ú heag.)La Salle Extension University, Hugo Diemer, Meyer Bloomfield, Daniel Bloomfield, agus Everett Francis Dahm. The Foreman and His Job: The First Work Manual of the Modern Foremanship Course, Being the Expression of Practical Foremen. Chicago: La Salle extension University, 1921.
Lua MLA (8ú heag.)La Salle Extension University, et al. The Foreman and His Job: The First Work Manual of the Modern Foremanship Course, Being the Expression of Practical Foremen. La Salle extension University, 1921.