Cita APA (7th ed.)

McCarter, S., & Ash, J. (2003). IELTS Testbuilder (1a. ed.). MacMillan.

Cita Chicago (17th ed.)

McCarter, Sam, i Judith Ash. IELTS Testbuilder. 1a. ed. Oxford: MacMillan, 2003.

Cita MLA (9th ed.)

McCarter, Sam, i Judith Ash. IELTS Testbuilder. 1a. ed. MacMillan, 2003.