Posthuma, B. W. (2002). Small groups in counseling and therapy: Process and leadership (4th ed.). Allyn and Bacon.
Citación estilo ChicagoPosthuma, Barbara W. Small Groups in Counseling and Therapy: Process and Leadership. 4th ed. Boston, Mass: Allyn and Bacon, 2002.
Cita MLAPosthuma, Barbara W. Small Groups in Counseling and Therapy: Process and Leadership. 4th ed. Allyn and Bacon, 2002.
Warning: These citations may not always be 100% accurate.