Dyfyniad APA

Hughes, J., & Stephenson, H. (2016). Life A2-B1: Student's book with online workbook. Singapore: National Geographic Learning.

Dyfyniad Arddull Chicago

Hughes, John, và Helen Stephenson. Life A2-B1: Student's Book With Online Workbook. Singapore: National Geographic Learning, 2016.

Dyfyniad MLA

Hughes, John, và Helen Stephenson. Life A2-B1: Student's Book With Online Workbook. Singapore: National Geographic Learning, 2016.

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