por Spriege, William Robert, 1893- [autor] | Davias, Ernest Coutier [autor] | Sarra Murtra, Jorge [traductor] | Spriege, William Robert, 1893-. Principles of business organization.
por Bacas, Paul Edmond [autor] | Andany Sanz, Angel [traductor] | Sanz Darnis, Luis [traductor] | Madden, John Thomas, 1882- [autor] | Rosenkampff, Arthur Henry, 1884 [autor].