Prentis, N. (2014). Speaking: B2 + Upper intermediate. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt.
শিকাগো স্টাইলে সাইটেশনPrentis, Nicola. Speaking: B2 + Upper Intermediate. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2014.
এমএলএ সাইটেশনPrentis, Nicola. Speaking: B2 + Upper Intermediate. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh; Công ty TNHH Nhân Trí Việt, 2014.
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