APA (7e ed.) Bronvermelding

Geldard, K., & Geldard, D. (2010). Counselling adolescents: The proactive approach for young people (3rd ed.). SAGE.

Chicago (17e ed.) Bronvermelding

Geldard, Kathryn, en David Geldard. Counselling Adolescents: The Proactive Approach for Young People. 3rd ed. Los Angeles London: SAGE, 2010.

MLA (9e ed.) Bronvermelding

Geldard, Kathryn, en David Geldard. Counselling Adolescents: The Proactive Approach for Young People. 3rd ed. SAGE, 2010.