Lua APA (7ú heag.)

Howatt, A. P. R., & Widdowson, H. G. (2004). A history of English language teaching (2nd ed.). Oxford University Press.

Lua i Stíl Chicago (17ú heag.)

Howatt, Anthony P. R., agus H. G. Widdowson. A History of English Language Teaching. 2nd ed. Oxford ; New York: Oxford University Press, 2004.

Lua MLA (8ú heag.)

Howatt, Anthony P. R., agus H. G. Widdowson. A History of English Language Teaching. 2nd ed. Oxford University Press, 2004.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.