APA aipamena

Jakeman, V., McDowell, C., & Lê Huy Lâm. (2003). Insight into IELTS extra: With answers. Tp.HCM: Nxb Tp.HCM.

Chicago Style aipamena

Jakeman, Vanessa., Clare McDowell, và Lê Huy Lâm. Insight Into IELTS Extra: With Answers. Tp.HCM: Nxb Tp.HCM, 2003.

MLA aipamena

Jakeman, Vanessa., Clare McDowell, và Lê Huy Lâm. Insight Into IELTS Extra: With Answers. Tp.HCM: Nxb Tp.HCM, 2003.