Παραπομπή σε μορφή APA (7η εκδ.)
Schultz, M., Doerr, J. E., & Frederiksen, L. W. (2013). Professional services marketing: How the best firms build premier brands, thriving lead generation engines, and cultures of business development success (2nd ed.). John Wiley & Sons, Inc..
Παραπομπή σε μορφή Chicago (17η εκδ.)
Schultz, Mike, John E. Doerr, και Lee W. Frederiksen. Professional Services Marketing: How the Best Firms Build Premier Brands, Thriving Lead Generation Engines, and Cultures of Business Development Success. 2nd ed. Hoboken, N.J.: John Wiley & Sons, Inc., 2013.
Παραπομπή σε μορφή MLA (9th εκδ.)
Schultz, Mike, et al. Professional Services Marketing: How the Best Firms Build Premier Brands, Thriving Lead Generation Engines, and Cultures of Business Development Success. 2nd ed. John Wiley & Sons, Inc., 2013.
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