Pile, L., & Williams, A. (2003). Progress to Vantage: Developing business english skills at intermediate level : student's book. Summertown: Summertown Publishing.
Chicago Style CitationPile, Louise, and Anne Williams. Progress to Vantage: Developing Business English Skills At Intermediate Level : Student's Book. Summertown: Summertown Publishing, 2003.
MLA CitationPile, Louise, and Anne Williams. Progress to Vantage: Developing Business English Skills At Intermediate Level : Student's Book. Summertown: Summertown Publishing, 2003.
Warning: These citations may not always be 100% accurate.