Citazione Stile APA (7a Edizione)

Judd, J. (1963). Exercises in english: For foreign students. Longman.

Citazione stile Chigago Style (17a edizione)

Judd, J.O. Exercises in English: For Foreign Students. London: Longman, 1963.

Citatione MLA (9a ed.)

Judd, J.O. Exercises in English: For Foreign Students. Longman, 1963.