APA Alıntı

Hughes, J., & Stephenson, H. (2015). Life A1-A2: Student's book with online workbook. Singapore: National Geographic Learning.

Chicago Stili Alıntı

Hughes, John, ve Helen Stephenson. Life A1-A2: Student's Book With Online Workbook. Singapore: National Geographic Learning, 2015.

MLA Alıntı

Hughes, John, ve Helen Stephenson. Life A1-A2: Student's Book With Online Workbook. Singapore: National Geographic Learning, 2015.