Cita APA (7a ed.)

Bell J. Jan & Gower R. Roger. (2004). Matters. Intermediate: Students' Book. Harlow, Longman, 2004.

Cita Chicago Style (17a ed.)

Bell J. Jan y Gower R. Roger. Matters. Intermediate: Students' Book. Harlow, Longman, 2004, 2004.

Cita MLA (9a ed.)

Bell J. Jan y Gower R. Roger. Matters. Intermediate: Students' Book. Harlow, Longman, 2004, 2004.