Παραπομπή APA

Crandall, R. (2003). Marketing your services: For people who hate to sell (Updated and expanded ed.). McGraw Hill.

Παραπομπή Chicago Style

Crandall, Rick. Marketing Your Services: For People Who Hate to Sell. Updated and expanded ed. New Jersey: McGraw Hill, 2003.

Παραπομπή MLA

Crandall, Rick. Marketing Your Services: For People Who Hate to Sell. Updated and expanded ed. McGraw Hill, 2003.