(1990). CCNP practical studies troubleshooting. [S.l.]: [s.n.].
Chicago Style aipamenaCCNP Practical Studies Troubleshooting. [S.l.]: [s.n.], 1990.
MLA aipamenaCCNP Practical Studies Troubleshooting. [S.l.]: [s.n.], 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.