APA
Wiersema F. D. e., . (1998). Customer service : extraordinary results at Southwest Airlines, Charles Schwab, Lands' End, American Express, Staples, and USAA. New York, N.Y: HarperBusiness.
Chicago
Wiersema Frederik Derk ed, . 1998. Customer service : extraordinary results at Southwest Airlines, Charles Schwab, Lands' End, American Express, Staples, and USAA. New York, N.Y: HarperBusiness.
Harvard
Wiersema F. D. e., . (1998). Customer service : extraordinary results at Southwest Airlines, Charles Schwab, Lands' End, American Express, Staples, and USAA. New York, N.Y: HarperBusiness.
MLA
Wiersema Frederik Derk ed, . Customer service : extraordinary results at Southwest Airlines, Charles Schwab, Lands' End, American Express, Staples, and USAA. New York, N.Y: HarperBusiness. 1998.