Chang, V. N. (2013). Developing helping skills: A step by step approach to competency. Brooks/Cole Cengage Learning.
Chicago Style (17th ed.) CitationChang, Valerie Nash. Developing Helping Skills: A Step by Step Approach to Competency. Brooks/Cole Cengage Learning, 2013.
MLA (8th ed.) CitationChang, Valerie Nash. Developing Helping Skills: A Step by Step Approach to Competency. Brooks/Cole Cengage Learning, 2013.
Warning: These citations may not always be 100% accurate.