APA (7th ed.) Zitazioa

Collins Cobuild. (2002). New student's dictionary (2a. ed.). HarperCollins.

Chicago Style (17th ed.) Zitazioa

Collins Cobuild. New Student's Dictionary. 2a. ed. Glasgow: HarperCollins, 2002.

MLA (9th ed.) Zitazioa

Collins Cobuild. New Student's Dictionary. 2a. ed. HarperCollins, 2002.