(2002). Matrix: Pre-intermediate : student's book. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoMatrix: Pre-intermediate : Student's Book. Oxford: Oxford University Press, 2002.
MLA CitationMatrix: Pre-intermediate : Student's Book. Oxford: Oxford University Press, 2002.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.