Hofmann Armin. (2015). Graphic Design Manual (6TH.). Niggler.
Lua i Stíl Chicago (17ú heag.)Hofmann Armin. Graphic Design Manual. 6TH. Switzerland: Niggler, 2015.
Lua MLA (9ú heag.)Hofmann Armin. Graphic Design Manual. 6TH. Niggler, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.