APA (7e ed.) Bronvermelding

Thomson, A. (1962). A practical english grammar exercises-3 Vol 3. O.U.P.

Chicago (17e ed.) Bronvermelding

Thomson, A. A Practical English Grammar Exercises-3 Vol 3. London: O.U.P, 1962.

MLA (9e ed.) Bronvermelding

Thomson, A. A Practical English Grammar Exercises-3 Vol 3. O.U.P, 1962.