APA aipamena

(1990). CCNP practical studies troubleshooting. [S.l.]: [s.n.].

Chicago Style aipamena

CCNP Practical Studies Troubleshooting. [S.l.]: [s.n.], 1990.

MLA aipamena

CCNP Practical Studies Troubleshooting. [S.l.]: [s.n.], 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.