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.
Παραπομπή σε μορφή Chicago (17η εκδ.)La Salle Extension University, Hugo Diemer, Meyer Bloomfield, Daniel Bloomfield, και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.