APA ציטוט

Hughes, J., Dummett, P., & Stephenson, H. (2015). Life: Pre-intermediate. Student's book with online workbook. A2 - B1 (Vietnam edtion.). Singapore: National Geographic Learning; Cengage Learning.

Trích dẫn kiểu Chicago

Hughes, John, Paul Dummett, và Helen Stephenson. Life: Pre-intermediate. Student's Book With Online Workbook. A2 - B1. Vietnam edtion. Singapore: National Geographic Learning; Cengage Learning, 2015.

ציטוט MLA

Hughes, John, Paul Dummett, và Helen Stephenson. Life: Pre-intermediate. Student's Book With Online Workbook. A2 - B1. Vietnam edtion. Singapore: National Geographic Learning; Cengage Learning, 2015.