APA-referens

Hughes, J. (2015). Life: Pre-Intermediate-Student's Book with online workbook. Australia: National Geographic Learning.

Chicago-stil citat

Hughes, John. Life: Pre-Intermediate-Student's Book With Online Workbook. Australia: National Geographic Learning, 2015.

MLA-referens

Hughes, John. Life: Pre-Intermediate-Student's Book With Online Workbook. Australia: National Geographic Learning, 2015.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.