APA aipamena

 Schultz, M. (2013).  Professional services marketing: How the best firms build premier brands, thriving lead generation engines, and cultures of business development success.  John Wiley & Sons, Inc.

Chicago Style aipamena

 Schultz, Mike.  Professional Services Marketing: How the Best Firms Build Premier Brands, Thriving Lead Generation Engines, and Cultures of Business Development Success.  John Wiley & Sons, Inc, 2013.

MLA aipamena

 Schultz, Mike.  Professional Services Marketing: How the Best Firms Build Premier Brands, Thriving Lead Generation Engines, and Cultures of Business Development Success.  John Wiley & Sons, Inc, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.