Cita APA (7th ed.)
Lammle, T. CCNA: Routing and Switching Study Guide. Sybex.
Cita Chicago (17th ed.)
Lammle, Todd. CCNA: Routing and Switching Study Guide. Indianápolis, EUA: Sybex.
Cita MLA (9th ed.)
Lammle, Todd. CCNA: Routing and Switching Study Guide. Sybex.
Atenció: Aquestes cites poden no estar 100% correctes.