(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.
Cita MLA(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.
Atenció: Aquestes cites poden no estar 100% correctes.