Welfel, E. R. (2010). Ethics in counseling and psychotherapy: Standards, research, and emerging issues (4th ed., International ed.). Brooks/Cole/Cengage Learning.
Citazione stile Chigago Style (17a edizione)Welfel, Elizabeth Reynolds. Ethics in Counseling and Psychotherapy: Standards, Research, and Emerging Issues. 4th ed., International ed. Belmont, Calif: Brooks/Cole/Cengage Learning, 2010.
Citatione MLA (9a ed.)Welfel, Elizabeth Reynolds. Ethics in Counseling and Psychotherapy: Standards, Research, and Emerging Issues. 4th ed., International ed. Brooks/Cole/Cengage Learning, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.