Kim, N. (2008). Revolish toefl iBT Prep: Four skills reading, listening, speaking, writing. Thành phố Hồ Chí Minh: Trẻ.
استشهاد بنمط شيكاغوKim, Nathan. Revolish Toefl IBT Prep: Four Skills Reading, Listening, Speaking, Writing. Thành phố Hồ Chí Minh: Trẻ, 2008.
MLA استشهادKim, Nathan. Revolish Toefl IBT Prep: Four Skills Reading, Listening, Speaking, Writing. Thành phố Hồ Chí Minh: Trẻ, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.