Παραπομπή APA

Jones, L. (2003). New progress to proficiency: Self-study Student's book. Đà Nẵng: Nxb Đà Nẵng.

Παραπομπή Chicago Style

Jones, Leo. New Progress to Proficiency: Self-study Student's Book. Đà Nẵng: Nxb Đà Nẵng, 2003.

Παραπομπή MLA

Jones, Leo. New Progress to Proficiency: Self-study Student's Book. Đà Nẵng: Nxb Đà Nẵng, 2003.

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