Dyfyniad APA

Swan, M., & Catherine Walter. Cambridge English course. Cambridge: Cambridge University Walter.

Dyfyniad Arddull Chicago

Swan, Michael, và Catherine Walter. Cambridge English Course. Cambridge: Cambridge University Walter.

Dyfyniad MLA

Swan, Michael, và Catherine Walter. Cambridge English Course. Cambridge: Cambridge University Walter.

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