Johnson, D. W. (1993). Reaching out: Interpersonal effectiveness and ... (5th.ed.). Allyn and Bacon.
Chicago-referens (17:e uppl.)Johnson, David W. Reaching Out: Interpersonal Effectiveness and ... 5th.ed. Boston: Allyn and Bacon, 1993.
MLA-referens (9:e uppl.)Johnson, David W. Reaching Out: Interpersonal Effectiveness and ... 5th.ed. Allyn and Bacon, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.