Salet, W. G. M., & Musterd, S. (2003). Amsterdam Human Capital. Amsterdam University Press.
Lua i Stíl Chicago (17ú heag.)Salet, W. G. M., agus Sako Musterd. Amsterdam Human Capital. Amsterdam: Amsterdam University Press, 2003.
Lua MLA (9ú heag.)Salet, W. G. M., agus Sako Musterd. Amsterdam Human Capital. Amsterdam University Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.