APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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