Celce-Murcia, M. (2001). Teaching english as a second or foreign language (3a. ed.). Heinle Cencage Learning.
Chicago Style (17th ed.) ZitazioaCelce-Murcia, Marianne. Teaching English as a Second or Foreign Language. 3a. ed. Boston: Heinle Cencage Learning, 2001.
MLA (9th ed.) ZitazioaCelce-Murcia, Marianne. Teaching English as a Second or Foreign Language. 3a. ed. Heinle Cencage Learning, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.