APA aipamena

Jakeman, V., & McDowell, C. (2003). Insight into IELTS. TP. HCM: Nxb. TP. HCM.

Chicago Style aipamena

Jakeman, Vanessa., và Clare McDowell. Insight Into IELTS. TP. HCM: Nxb. TP. HCM, 2003.

MLA aipamena

Jakeman, Vanessa., và Clare McDowell. Insight Into IELTS. TP. HCM: Nxb. TP. HCM, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.