Hahn, R. (2014). Master TOEFL Junior Intermediate: CEFR Level B1. Language form and meaning grammar. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt.
শিকাগো স্টাইলে সাইটেশনHahn, Richie. Master TOEFL Junior Intermediate: CEFR Level B1. Language Form and Meaning Grammar. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2014.
এমএলএ সাইটেশনHahn, Richie. Master TOEFL Junior Intermediate: CEFR Level B1. Language Form and Meaning Grammar. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2014.
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