Seybold, P. B., & Marshak, R. T. (1998). Customers.com: How to create a profitable business strategy for the internet and beyond (1a. ed.). Random House.
Dyfyniad Arddull ChicagoSeybold, Patricia B., and Ronni T. Marshak. Customers.com: How to Create a Profitable Business Strategy for the Internet and Beyond. 1a. ed. Nueva York: Random House, 1998.
Dyfyniad MLASeybold, Patricia B., and Ronni T. Marshak. Customers.com: How to Create a Profitable Business Strategy for the Internet and Beyond. 1a. ed. Random House, 1998.
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