एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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