APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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