Nathan, R., & Hill, L. A. (2006). Career counselling (2nd ed.). SAGE Publications.
Lua i Stíl Chicago (17ú heag.)Nathan, Robert, agus Linda A. Hill. Career Counselling. 2nd ed. London ; Thousand Oaks, Calif: SAGE Publications, 2006.
Lua MLA (9ú heag.)Nathan, Robert, agus Linda A. Hill. Career Counselling. 2nd ed. SAGE Publications, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.