APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.