Citazione Stile APA (7a Edizione)

Hobson, A. e. (2001). The Oxford dictionary of difficult words. O.U.P.

Citazione stile Chigago Style (17a edizione)

Hobson, Archie ed. The Oxford Dictionary of Difficult Words. New York: O.U.P, 2001.

Citatione MLA (9a ed.)

Hobson, Archie ed. The Oxford Dictionary of Difficult Words. O.U.P, 2001.