Παραπομπή σε μορφή APA (7η εκδ.)

Murphy, R. (1997). Essential grammar in use: A self-study reference and practice book for elementary students of English (2nd edition.). Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English. 2nd edition. Cambridge: Cambridge University Press, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English. 2nd edition. Cambridge University Press, 1997.