Burton - Jones, A. &. S. (2012). The Oxford Handbook of Human Capital. 3/11/2014 Press.
Lua i Stíl Chicago (17ú heag.)Burton - Jones, Alan & Spender. The Oxford Handbook of Human Capital. Oxford: 3/11/2014 Press, 2012.
Lua MLA (9ú heag.)Burton - Jones, Alan & Spender. The Oxford Handbook of Human Capital. 3/11/2014 Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.