APA-viite (7. p.)

Knowdell, R. L., & Chapman, E. N. (1993). Personal counseling (3rd ed.). Crisp Publications.

Chicago-viite (17. p.)

Knowdell, Richard L., ja Elwood N. Chapman. Personal Counseling. 3rd ed. Menlo Park, Calif.: Crisp Publications, 1993.

MLA-viite (9. p.)

Knowdell, Richard L., ja Elwood N. Chapman. Personal Counseling. 3rd ed. Crisp Publications, 1993.