Dyfyniad APA

Sayer, M., Dellar, H., & Walkley, A. (2016). Outcomes: Pre-Intermediate, Teacher's Book (segunda edición.). National Geographic Learning; Cengage Learning.

Dyfyniad Arddull Chicago

Sayer, Mike, Hugh Dellar, and Andrew Walkley. Outcomes: Pre-Intermediate, Teacher's Book. segunda edición. Hampshire: National Geographic Learning; Cengage Learning, 2016.

Dyfyniad MLA

Sayer, Mike, et al. Outcomes: Pre-Intermediate, Teacher's Book. segunda edición. National Geographic Learning; Cengage Learning, 2016.

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