Cita APA (7a ed.)
Cisco Systems. IT Essentials: PC Hardware and Software Engineering Journal and Workbook. Cisco.
Cita estilo Chicago (17a ed.)
Cisco Systems. IT Essentials: PC Hardware and Software Engineering Journal and Workbook. Indianápolis, EUA: Cisco.
Cita MLA (9a ed.)
Cisco Systems. IT Essentials: PC Hardware and Software Engineering Journal and Workbook. Cisco.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.