APA (7th ed.) Zitazioa
Wilkins, P. (1997). Personal and professional development for counsellors. Sage Publications.
Chicago Style (17th ed.) Zitazioa
Wilkins, Paul. Personal and Professional Development for Counsellors. London: Sage Publications, 1997.
MLA (9th ed.) Zitazioa
Wilkins, Paul. Personal and Professional Development for Counsellors. Sage Publications, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.