Langford-Smith, F. Radiotron designer's handbook (4a ed.).
Lua i Stíl Chicago (17ú heag.)Langford-Smith, F. Radiotron Designer's Handbook. 4a ed.
Lua MLA (8ú heag.)Langford-Smith, F. Radiotron Designer's Handbook. 4a ed.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.