Παραπομπή σε μορφή APA (7η εκδ.)

Johnson, D. W. (1993). Reaching out: Interpersonal effectiveness and ... (5th.ed.). Allyn and Bacon.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Johnson, David W. Reaching Out: Interpersonal Effectiveness and ... 5th.ed. Boston: Allyn and Bacon, 1993.

Παραπομπή σε μορφή MLA (9th εκδ.)

Johnson, David W. Reaching Out: Interpersonal Effectiveness and ... 5th.ed. Allyn and Bacon, 1993.