APA aipamena

Eric van Bemmel. (1998). IELTS to success. Tp. HCM: Trẻ.

Chicago Style aipamena

Eric van Bemmel. IELTS to Success. Tp. HCM: Trẻ, 1998.

MLA aipamena

Eric van Bemmel. IELTS to Success. Tp. HCM: Trẻ, 1998.