Cita APA (7th ed.)

Davis, P. I. (1999). Sams teach yourself windows NT Server 4 in 21 days. Techmedia.

Cita Chicago (17th ed.)

Davis, Peter I. Sams Teach Yourself Windows NT Server 4 in 21 Days. New Delhi: Techmedia, 1999.

Cita MLA (9th ed.)

Davis, Peter I. Sams Teach Yourself Windows NT Server 4 in 21 Days. Techmedia, 1999.