Hallows, R. (2006). IELTS express: Upper Intermediate listening program. London: Thomson.
Trích dẫn kiểu ChicagoHallows, Richard. IELTS Express: Upper Intermediate Listening Program. London: Thomson, 2006.
MLA CitationHallows, Richard. IELTS Express: Upper Intermediate Listening Program. London: Thomson, 2006.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.