Hughes, J., Stephenson, H., & Dummett, P. (2015). Life elementary: Student's book with online workbook. Singapore: Cengage learning Asia Pte Ltd.
استشهاد بنمط شيكاغوHughes, John, Helen Stephenson, و Paul Dummett. Life Elementary: Student's Book With Online Workbook. Singapore: Cengage learning Asia Pte Ltd, 2015.
MLA استشهادHughes, John, Helen Stephenson, و Paul Dummett. Life Elementary: Student's Book With Online Workbook. Singapore: Cengage learning Asia Pte Ltd, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.