Commercially speaking

Main Author: Irvine, Mark
Other Authors: Cadman, Marion
Published: Oxford: Oxford University Press, 1999.
Subjects:
Physical Description: 127 p.: col. ill.; 28 cm..
ISBN: 0194572307 (pbk. ; student's book)
9780194572353 (pbk. ; workbook)
0194572323 (pbk. ; workbook)
9780194572309 (pbk. ; student's book)