APA aipamena

Gallagher, N. (2003). Delta's key to the TOEFL Test. Tp. HCM: Trẻ.

Chicago Style aipamena

Gallagher, Nancy. Delta's Key to the TOEFL Test. Tp. HCM: Trẻ, 2003.

MLA aipamena

Gallagher, Nancy. Delta's Key to the TOEFL Test. Tp. HCM: Trẻ, 2003.

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