(美)Todd Lammle著. (2001). CCNA: Cisco Certified Network Associate学习指南：英文原版. 电子工业出版社.
Chicago Style (17th ed.) Citation(美)Todd Lammle著. CCNA: Cisco Certified Network Associate学习指南：英文原版. 电子工业出版社, 2001.
MLA引文(美)Todd Lammle著. CCNA: Cisco Certified Network Associate学习指南：英文原版. 电子工业出版社, 2001.
警告：這些引文格式不一定是100％准確.