Hadfield, C., & Hadfield, J. Writing games.
Lua i Stíl Chicago (17ú heag.)Hadfield, Charles, agus Jill Hadfield. Writing Games.
Lua MLA (8ú heag.)Hadfield, Charles, agus Jill Hadfield. Writing Games.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.