Sayer, M. (2014). Life: Elementary. Teacher's Book. A2 (Vietnam edtion.). Singapore: National Geographic Learning; Cengage Learning.
শিকাগো স্টাইলে সাইটেশনSayer, Mike. Life: Elementary. Teacher's Book. A2. Vietnam edtion. Singapore: National Geographic Learning; Cengage Learning, 2014.
এমএলএ সাইটেশনSayer, Mike. Life: Elementary. Teacher's Book. A2. Vietnam edtion. Singapore: National Geographic Learning; Cengage Learning, 2014.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.