APA引文

(2005). CCNA 3 and 4 companion guide (with CD) (1st.). Pearson.

Chicago Edition Citation

CCNA 3 and 4 Companion Guide (with CD). 1st. New Delhi: Pearson, 2005.

MLA引文

CCNA 3 and 4 Companion Guide (with CD). 1st. Pearson, 2005.

警告：这些引文格式不一定是100％准确.