APA aipamena

Slater,Stephen. (2008). Ielts on track test practice Academic. HCM: Tổng hợp.

Chicago Style aipamena

Slater,Stephen. Ielts On Track Test Practice Academic. HCM: Tổng hợp, 2008.

MLA aipamena

Slater,Stephen. Ielts On Track Test Practice Academic. HCM: Tổng hợp, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.