Gaya APA

Dummett, P., Stephenson, H. (2016). Life Advanced: Student's Book . Washington, D.C.: National Geographic Learning.

Gaya MLA

Dummett, Paul., Stephenson, Helen. "Life Advanced: Student's Book". Washington, D.C.: National Geographic Learning, 2016. GEN - Bacaan/Seri Non-Fiksi.