Empson. CCNP BSCI Portable Command Guide (642-901) (1.). Pearson India.
Cita Chicago (17th ed.)Empson. CCNP BSCI Portable Command Guide (642-901). 1. Pearson India.
Cita MLA (8th ed.)Empson. CCNP BSCI Portable Command Guide (642-901). 1. Pearson India.
Atenció: Aquestes cites poden no estar 100% correctes.