Lua APA (7ú heag.)
Speelman, C. (2013). Enhancing human performance. Cambridge Scholars Publishing.
Lua i Stíl Chicago (17ú heag.)
Speelman, Craig. Enhancing Human Performance. Newcastle upon Tyne, [England]: Cambridge Scholars Publishing, 2013.
Lua MLA (9ú heag.)
Speelman, Craig. Enhancing Human Performance. Cambridge Scholars Publishing, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.