Parkinson, C. N. 109 Ways of getting to the top. Vision Books.
Lua i Stíl Chicago (17ú heag.)Parkinson, C. Northcote. 109 Ways of Getting to the Top. Vision Books.
Lua MLA (9ú heag.)Parkinson, C. Northcote. 109 Ways of Getting to the Top. Vision Books.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.