APA aipamena

Bell J. Jan & Gower R. Roger. (2002). Matters. Intermediate: Workbook with Key. Longman, 2002.

Chicago Style aipamena

Bell J. Jan and Gower R. Roger. Matters. Intermediate: Workbook with Key. Longman, 2002, 2002.

MLA aipamena

Bell J. Jan and Gower R. Roger. Matters. Intermediate: Workbook with Key. Longman, 2002, 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.