APA (7e ed.) Bronvermelding

TREGIDGO, P. Practical English usage for overseas: Students (2nd ed.). Longman.

Chicago (17e ed.) Bronvermelding

TREGIDGO, P.S. Practical English Usage for Overseas: Students. 2nd ed. London: Longman.

MLA (9e ed.) Bronvermelding

TREGIDGO, P.S. Practical English Usage for Overseas: Students. 2nd ed. Longman.

Let op: Deze citaties zijn niet altijd 100% accuraat.