Gaya APA

DAVIS, M, M., HEINEKE, J. (2003). Managing services: using technology to create value . BOSTON: MCGRAW HILL-IRWIN.

Gaya MLA

DAVIS, MARK, M.., HEINEKE, JANELLE. "Managing services: using technology to create value". BOSTON: MCGRAW HILL-IRWIN, 2003. Text.