(2000). Hệ thống thi tiếng Anh quốc tế IELTS =: International English testing system. TP.HCM: TP.HCM.
শিকাগো স্টাইলে সাইটেশনHệ Thống Thi Tiếng Anh Quốc Tế IELTS =: International English Testing System. TP.HCM: TP.HCM, 2000.
এমএলএ সাইটেশনHệ Thống Thi Tiếng Anh Quốc Tế IELTS =: International English Testing System. TP.HCM: TP.HCM, 2000.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.