Lua APA (7ú heag.)

Fridell Ron. Cool Science Sports Technology. Lerner.

Lua i Stíl Chicago (17ú heag.)

Fridell Ron. Cool Science Sports Technology. 2008 2008: Lerner.

Lua MLA (9ú heag.)

Fridell Ron. Cool Science Sports Technology. Lerner.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.