Lammle, T. (1999). CCNP exam notes: Advanced Cisco router configuration. Sybex.
Lua i Stíl Chicago (17ú heag.)Lammle, Todd. CCNP Exam Notes: Advanced Cisco Router Configuration. San Francisco: Sybex, 1999.
Lua MLA (9ú heag.)Lammle, Todd. CCNP Exam Notes: Advanced Cisco Router Configuration. Sybex, 1999.
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