Hallows, R. (2006). IELTS express intermediate listening program. London: Thomson.
Čikaški stil citiranjaHallows, Richard. IELTS Express Intermediate Listening Program. London: Thomson, 2006.
MLA način citiranjaHallows, Richard. IELTS Express Intermediate Listening Program. London: Thomson, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.