APA (7e ed.) Bronvermelding

Bell, J., & Gower, R. (1995). Pre-intermediate matters: Students' book. Longman.

Chicago (17e ed.) Bronvermelding

Bell, Jan, en Roger Gower. Pre-intermediate Matters: Students' Book. Essex: Longman, 1995.

MLA (9e ed.) Bronvermelding

Bell, Jan, en Roger Gower. Pre-intermediate Matters: Students' Book. Longman, 1995.