Robinson, K., & Aronica, L. (2009). The element: How finding your passion changes everything. Viking.
Lua i Stíl Chicago (17ú heag.)Robinson, Ken, agus Lou Aronica. The Element: How Finding Your Passion Changes Everything. New York: Viking, 2009.
Lua MLA (8ú heag.)Robinson, Ken, agus Lou Aronica. The Element: How Finding Your Passion Changes Everything. Viking, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.