Dyfyniad APA

Leo Jones. (2002). New progress to proficiency (teacher's book). Cambridge, UK: Cambridge Univ. Press.

Dyfyniad Arddull Chicago

Leo Jones. New Progress to Proficiency (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 2002.

Dyfyniad MLA

Leo Jones. New Progress to Proficiency (teacher's Book). Cambridge, UK: Cambridge Univ. Press, 2002.

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