Walsh, W. B., & Savickas, M. (2005). Handbook of vocational psychology: Theory, research, and practice. Mahwah, NJ : Lawrence Erlbaum Assoc..
Lua i Stíl Chicago (17ú heag.)Walsh, W. Bruce, agus Mark Savickas. Handbook of Vocational Psychology: Theory, Research, and Practice. Mahwah, NJ : Lawrence Erlbaum Assoc., 2005.
Lua MLA (9ú heag.)Walsh, W. Bruce, agus Mark Savickas. Handbook of Vocational Psychology: Theory, Research, and Practice. Mahwah, NJ : Lawrence Erlbaum Assoc., 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.