Boniface, B. G. (2002). Worldwide destinations. Butterworth Heinemann.
Lua i Stíl Chicago (17ú heag.)Boniface, Brian G. Worldwide Destinations. Oxford: Butterworth Heinemann, 2002.
Lua MLA (9ú heag.)Boniface, Brian G. Worldwide Destinations. Butterworth Heinemann, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.