Michael A Pyle. (1997). Cẩm nang luyện thi TOEFL 97-98: = TOEFL preparation guide: Test of English as a foreign language (Includes all the latest changes in TOEFL). Tp. HCM: Trẻ.
استشهاد بنمط شيكاغوMichael A Pyle. Cẩm Nang Luyện Thi TOEFL 97-98: = TOEFL Preparation Guide: Test of English As a Foreign Language (Includes All the Latest Changes in TOEFL). Tp. HCM: Trẻ, 1997.
MLA استشهادMichael A Pyle. Cẩm Nang Luyện Thi TOEFL 97-98: = TOEFL Preparation Guide: Test of English As a Foreign Language (Includes All the Latest Changes in TOEFL). Tp. HCM: Trẻ, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.