APA Citatie

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

Chicago Style citaat

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

MLA citatie

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

Let op: Deze citaties zijn niet altijd 100% accuraat.