APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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