Cita APA (7th ed.)

Sawtell, R. (1998). Sam`s teach yourself Microsoft SQL server 6.5 in 21 days. Techmedia.

Cita Chicago (17th ed.)

Sawtell, Rick. Sam`s Teach Yourself Microsoft SQL Server 6.5 in 21 Days. New Delhi: Techmedia, 1998.

Cita MLA (9th ed.)

Sawtell, Rick. Sam`s Teach Yourself Microsoft SQL Server 6.5 in 21 Days. Techmedia, 1998.