Bolton, K., & Kachru, B. B. (2007). World Englishes: Critical concepts in linguistics. Routlegde.
Lua i Stíl Chicago (17ú heag.)Bolton, Kingsley, agus Braj B. Kachru. World Englishes: Critical Concepts in Linguistics. London ; New York: Routlegde, 2007.
Lua MLA (8ú heag.)Bolton, Kingsley, agus Braj B. Kachru. World Englishes: Critical Concepts in Linguistics. Routlegde, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.