Παραπομπή σε μορφή APA (7η εκδ.)

Willis, D. (2003). Rules, patterns and words: Grammar and lexis in English language teaching. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Willis, Dave. Rules, Patterns and Words: Grammar and Lexis in English Language Teaching. Cambridge, UK: Cambridge University Press, 2003.

Παραπομπή σε μορφή MLA (9th εκδ.)

Willis, Dave. Rules, Patterns and Words: Grammar and Lexis in English Language Teaching. Cambridge University Press, 2003.