Empson, S. (2020). CCNA 200-301 portable command guide (Fifth edition.). Cisco Press.
Čikaški stil citiranja (17. izdanje)Empson, Scott. CCNA 200-301 Portable Command Guide. Fifth edition. San Jose, CA: Cisco Press, 2020.
MLA način citiranja (8. izdanje)Empson, Scott. CCNA 200-301 Portable Command Guide. Fifth edition. Cisco Press, 2020.
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