APA

CISCO, . (2006). HP IT Essentials I : PC Hardware and Software Companion Guide. Indianapolis: Cisco.

Chicago

CISCO, . 2006. HP IT Essentials I : PC Hardware and Software Companion Guide. Indianapolis: Cisco.

Harvard

CISCO, . (2006). HP IT Essentials I : PC Hardware and Software Companion Guide. Indianapolis: Cisco.

MLA

CISCO, . HP IT Essentials I : PC Hardware and Software Companion Guide. Indianapolis: Cisco. 2006.