TERRILL C. (2001). MARKET LEADERSHIP STRATEGIES FOR SERVICE COMPANIES. NTC BUSINESS BOOKS.
Cita Chicago (17th ed.)TERRILL C. MARKET LEADERSHIP STRATEGIES FOR SERVICE COMPANIES. CHICAGO: NTC BUSINESS BOOKS, 2001.
Cita MLA (9th ed.)TERRILL C. MARKET LEADERSHIP STRATEGIES FOR SERVICE COMPANIES. NTC BUSINESS BOOKS, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.