Johnson, D. W. (1990). Reaching out: Interpersonal effectiveness and self-actualization (Fourth edition.). Prentice Hall.
Chicago-Zitierstil (17. Ausg.)Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. Fourth edition. Englewood Cliffs, New Jersey: Prentice Hall, 1990.
MLA-Zitierstil (9. Ausg.)Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. Fourth edition. Prentice Hall, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.