Dyfyniad APA

Johnson, D. W. (2009). Reaching out: Interpersonal effectiveness and self-actualization (10th ed.). Pearson.

Dyfyniad Arddull Chicago

Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 10th ed. Upper Saddle River, N.J: Pearson, 2009.

Dyfyniad MLA

Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. 10th ed. Pearson, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.