Burby, R. J. (1980). Introduction to creative supervision. Addison-Wesley Pub. Co..
Cita Chicago (17th ed.)Burby, Raymond J. Introduction to Creative Supervision. Reading, Mass.: Addison-Wesley Pub. Co., 1980.
Cita MLA (8th ed.)Burby, Raymond J. Introduction to Creative Supervision. Addison-Wesley Pub. Co., 1980.
Atenció: Aquestes cites poden no estar 100% correctes.