APA (7th ed.) Zitazioa
Johnson, D. W. (1990). Reaching out: Interpersonal effectiveness and self-actualization (4th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 4th ed. Englewood Cliffs, N.J.: Prentice Hall, 1990.
MLA (9th ed.) Zitazioa
Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 4th ed. Prentice Hall, 1990.
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