Mason, L. (2015). Physical education. Clanrye International.
Lua i Stíl Chicago (17ú heag.)Mason, Luis. Physical Education. New Jersey: Clanrye International, 2015.
Lua MLA (9ú heag.)Mason, Luis. Physical Education. Clanrye International, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.