Broadwell, M. M. (1970). The supervisor as an instructor: A guide for classroom training (2nd ed.). Addison-Wesley Pub.
Cita Chicago (17th ed.)Broadwell, Martin M. The Supervisor as an Instructor: A Guide for Classroom Training. 2nd ed. Reading, MA: Addison-Wesley Pub, 1970.
Cita MLA (9th ed.)Broadwell, Martin M. The Supervisor as an Instructor: A Guide for Classroom Training. 2nd ed. Addison-Wesley Pub, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.