弗雷海姆 & 弗鲁姆. (2011). CCNP SWITCH(642-813)学习指南: Implementing Cisco IP switched networks (switch) foundation learning guide. 人民邮电出版社.
Čikaški stil citiranja (17. izdanje)弗雷海姆 i 弗鲁姆. CCNP SWITCH(642-813)学习指南: Implementing Cisco IP Switched Networks (switch) Foundation Learning Guide. 人民邮电出版社, 2011.
MLA način citiranja (8. izdanje)弗雷海姆 i 弗鲁姆. CCNP SWITCH(642-813)学习指南: Implementing Cisco IP Switched Networks (switch) Foundation Learning Guide. 人民邮电出版社, 2011.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.