(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.
Cita Chicago Style (17a ed.)(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 (8a ed.)(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.
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