Sharpe, P. J. (2011). Practice exercises for the TOEFL test: Test of English as a foreign language (5th ed.). T.P. Hồ Chí Minh: Trẻ; Công ty Văn hóa Sáng tạo Trí Việt.
শিকাগো স্টাইলে সাইটেশনSharpe, Pamela J. Practice Exercises for the TOEFL Test: Test of English As a Foreign Language. 5th ed. T.P. Hồ Chí Minh: Trẻ; Công ty Văn hóa Sáng tạo Trí Việt, 2011.
এমএলএ সাইটেশনSharpe, Pamela J. Practice Exercises for the TOEFL Test: Test of English As a Foreign Language. 5th ed. T.P. Hồ Chí Minh: Trẻ; Công ty Văn hóa Sáng tạo Trí Việt, 2011.
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