Dyfyniad APA

Dellar, H., & Walkley, A. (2010). Pre-Intermediate Outcomes: Student's Book. Heinle, Cengage Learning EMEA.

Dyfyniad Arddull Chicago

Dellar, Hugh, and Andrew Walkley. Pre-Intermediate Outcomes: Student's Book. Hampshire, United Kingdom: Heinle, Cengage Learning EMEA, 2010.

Dyfyniad MLA

Dellar, Hugh, and Andrew Walkley. Pre-Intermediate Outcomes: Student's Book. Heinle, Cengage Learning EMEA, 2010.

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