Cita APA (7a ed.)
Cisco Systems. CCNA 1 and 2 Engineering Journal and Workbook (3a edición.). Cisco.
Cita estilo Chicago (17a ed.)
Cisco Systems. CCNA 1 and 2 Engineering Journal and Workbook. 3a edición. Indianápolis, EUA: Cisco.
Cita MLA (9a ed.)
Cisco Systems. CCNA 1 and 2 Engineering Journal and Workbook. 3a edición. Cisco.
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