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