Dyfyniad APA

Bell J. Jan & Gower R. Roger. (1999). Matters. Advanced: Students' Book. Longman, 1999.

Dyfyniad Arddull Chicago

Bell J. Jan and Gower R. Roger. Matters. Advanced: Students' Book. Longman, 1999, 1999.

Dyfyniad MLA

Bell J. Jan and Gower R. Roger. Matters. Advanced: Students' Book. Longman, 1999, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.