Boyd, J. D. (1978). Counselor supervision: Approaches, preparation, practices. Accelerated Development.
Cita Chicago (17th ed.)Boyd, John D. Counselor Supervision: Approaches, Preparation, Practices. Muncie, Ind: Accelerated Development, 1978.
Cita MLA (9th ed.)Boyd, John D. Counselor Supervision: Approaches, Preparation, Practices. Accelerated Development, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.