APA
Bill Zoellick, . (2000). Web engagement : connecting to customers in e-business. Addison-Wesley, Boston: .
Chicago
Bill Zoellick, . 2000. Web engagement : connecting to customers in e-business. Addison-Wesley, Boston: .
Harvard
Bill Zoellick, . (2000). Web engagement : connecting to customers in e-business. Addison-Wesley, Boston: .
MLA
Bill Zoellick, . Web engagement : connecting to customers in e-business. Addison-Wesley, Boston: . 2000.