Dyfyniad APA

Wallwork,Adrian. (1997). Discussions A-Z advanced: A resource book of speaking activities. US: Cambridge university press.

Dyfyniad Arddull Chicago

Wallwork,Adrian. Discussions A-Z Advanced: A Resource Book of Speaking Activities. US: Cambridge university press, 1997.

Dyfyniad MLA

Wallwork,Adrian. Discussions A-Z Advanced: A Resource Book of Speaking Activities. US: Cambridge university press, 1997.

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