APA (7th ed.) Zitazioa

WARD, J. M. (1966). The use of tenses in english (2nd ed.). Longman.

Chicago Style (17th ed.) Zitazioa

WARD, John Milling. The Use of Tenses in English. 2nd ed. London: Longman, 1966.

MLA (9th ed.) Zitazioa

WARD, John Milling. The Use of Tenses in English. 2nd ed. Longman, 1966.