APA (7e ed.) Bronvermelding

Johnson, D. W. (2003). Reaching out: Interpersonal effectiveness and self-actualization (Eighth edition.). Allyn and Bacon.

Chicago (17e ed.) Bronvermelding

Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. Eighth edition. Boston: Allyn and Bacon, 2003.

MLA (9e ed.) Bronvermelding

Johnson, David W. Reaching Out: Interpersonal Effectiveness and Self-actualization. Eighth edition. Allyn and Bacon, 2003.