Citace podle APA

Cisco Systems. (2003). Cisco Networking Academy Program IT Essentials I: PC Hardware and Software Companion Guide (Photo). USA: Cisco Press.

Styl Chicago

Cisco Systems. Cisco Networking Academy Program IT Essentials I: PC Hardware and Software Companion Guide (Photo). USA: Cisco Press, 2003.

Citace podle MLA

Cisco Systems. Cisco Networking Academy Program IT Essentials I: PC Hardware and Software Companion Guide (Photo). USA: Cisco Press, 2003.

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