APA

Silverstein B., . (2002). Business to business Internet marketing: seven proven strategies for increasing profits through Internet direct marketing. Gulf Breeze, FL: Maxiumum Press.

Chicago

Silverstein Barry, . 2002. Business to business Internet marketing: seven proven strategies for increasing profits through Internet direct marketing. Gulf Breeze, FL: Maxiumum Press.

Harvard

Silverstein B., . (2002). Business to business Internet marketing: seven proven strategies for increasing profits through Internet direct marketing. Gulf Breeze, FL: Maxiumum Press.

MLA

Silverstein Barry, . Business to business Internet marketing: seven proven strategies for increasing profits through Internet direct marketing. Gulf Breeze, FL: Maxiumum Press. 2002.