(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引文Matrix: Pre-intermediate : Student's Book. Oxford: Oxford University Press, 2002.
警告:這些引文格式不一定是100%准確.