APA Citatie

Stone, B. (2008). Successful direct marketing methods: Interactive, database, and customer-based marketing for digital age. New York: McGraw-Hill.

Chicago Style citaat

Stone, Bob. Successful Direct Marketing Methods: Interactive, Database, and Customer-based Marketing for Digital Age. New York: McGraw-Hill, 2008.

MLA citatie

Stone, Bob. Successful Direct Marketing Methods: Interactive, Database, and Customer-based Marketing for Digital Age. New York: McGraw-Hill, 2008.