Corey, M. S. 1., & Corey, G. (2007). Becoming a helper (5th ed.). Belmont, CA: Thomson Higher Education.
Trích dẫn kiểu ChicagoCorey, Marianne Schneider 1942-, và Gerald Corey. Becoming a Helper. 5th ed. Belmont, CA: Thomson Higher Education, 2007.
MLA引文Corey, Marianne Schneider 1942-, và Gerald Corey. Becoming a Helper. 5th ed. Belmont, CA: Thomson Higher Education, 2007.
警告:這些引文格式不一定是100%准確.