Cita APA (7th ed.)

Preppernau, J., & Cox, J. (2010). Windows 7 Step by Step. Microsoft Press ; PHI Learning Pvt. Ltd..

Cita Chicago (17th ed.)

Preppernau, Joan, i Joyce Cox. Windows 7 Step by Step. Redmond, Wash. : New Delhi: Microsoft Press ; PHI Learning Pvt. Ltd., 2010.

Cita MLA (8th ed.)

Preppernau, Joan, i Joyce Cox. Windows 7 Step by Step. Microsoft Press ; PHI Learning Pvt. Ltd., 2010.