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.
Citación estilo Chicago弗雷海姆 and 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.
Cita MLA弗雷海姆 and 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.
警告：这些引文格式不一定是100％准确.