Cita APA (7th ed.)

Parnell, T., & Null, C. (1999). Network administrator's reference. McGraw-Hill.

Cita Chicago (17th ed.)

Parnell, Tere, i Christopher Null. Network Administrator's Reference. Berkeley: McGraw-Hill, 1999.

Cita MLA (9th ed.)

Parnell, Tere, i Christopher Null. Network Administrator's Reference. McGraw-Hill, 1999.