Johnson, D. W. (2009). Reaching out: Interpersonal effectiveness and self-actualization (10th ed.). Pearson.
Chicago-referens (17:e uppl.)Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 10th ed. Upper Saddle River, N.J: Pearson, 2009.
MLA-referens (9:e uppl.)Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 10th ed. Pearson, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.