Rankine, D. H. Acquisition Essentials. Pearson Education UK.
Lua i Stíl Chicago (17ú heag.)Rankine, Denzil; Howson. Acquisition Essentials. Pearson Education UK.
Lua MLA (8ú heag.)Rankine, Denzil; Howson. Acquisition Essentials. Pearson Education UK.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.