Dyfyniad APA

Evans V. Virginia & Edwards L. Lynda. (2007). Upstream. Advanced C1: Class CD 1. Newbury, Express Publishing, 2007.

Dyfyniad Arddull Chicago

Evans V. Virginia and Edwards L. Lynda. Upstream. Advanced C1: Class CD 1. Newbury, Express Publishing, 2007, 2007.

Dyfyniad MLA

Evans V. Virginia and Edwards L. Lynda. Upstream. Advanced C1: Class CD 1. Newbury, Express Publishing, 2007, 2007.

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