Lua APA (7ú heag.)
Etnier, J. L. (2009). Bring your "A" game: A young athlete's guide to mental toughness. University of North Carolina Press.
Lua i Stíl Chicago (17ú heag.)
Etnier, Jennifer L. Bring Your "A" Game: A Young Athlete's Guide to Mental Toughness. Chapel Hill: University of North Carolina Press, 2009.
Lua MLA (9ú heag.)
Etnier, Jennifer L. Bring Your "A" Game: A Young Athlete's Guide to Mental Toughness. University of North Carolina Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.