Dyfyniad APA

Dellar, H., & Walkley, A. (2019). Outcomes: Advanced - Student's Book. United Kingdom: National Geographic Learning.

Dyfyniad Arddull Chicago

Dellar, Hugh, và Andrew Walkley. Outcomes: Advanced - Student's Book. United Kingdom: National Geographic Learning, 2019.

Dyfyniad MLA

Dellar, Hugh, và Andrew Walkley. Outcomes: Advanced - Student's Book. United Kingdom: National Geographic Learning, 2019.

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