Dyfyniad APA
Johnson, D. W. (1990). Reaching out: Interpersonal effectiveness and self-actualization (4th ed.). Prentice Hall.
Dyfyniad Arddull Chicago
Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 4th ed. Englewood Cliffs, N.J.: Prentice Hall, 1990.
Dyfyniad MLA
Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 4th ed. Prentice Hall, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.