Dyfyniad APA

Tricia Aspinall. (1999). Advanced masterclass CAE (Student's book). Oxford: Oxford Univ. Press.

Dyfyniad Arddull Chicago

Tricia Aspinall. Advanced Masterclass CAE (Student's Book). Oxford: Oxford Univ. Press, 1999.

Dyfyniad MLA

Tricia Aspinall. Advanced Masterclass CAE (Student's Book). Oxford: Oxford Univ. Press, 1999.

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