Mark Irvine. (1999). Commercially speaking (Teacher's book). Oxford: Oxford Univ. Press.
Trích dẫn kiểu ChicagoMark Irvine. Commercially Speaking (Teacher's Book). Oxford: Oxford Univ. Press, 1999.
MLA引文Mark Irvine. Commercially Speaking (Teacher's Book). Oxford: Oxford Univ. Press, 1999.
警告:這些引文格式不一定是100%准確.