Cita APA (7a ed.)
Harris, M. (1999). Sams teach yourself Microsoft Excel 2000 programming in 21 days. Techmedia.
Cita Chicago Style (17a ed.)
Harris, Matthew. Sams Teach Yourself Microsoft Excel 2000 Programming in 21 Days. New Delhi: Techmedia, 1999.
Cita MLA (9a ed.)
Harris, Matthew. Sams Teach Yourself Microsoft Excel 2000 Programming in 21 Days. Techmedia, 1999.
Precaución: Estas citas no son 100% exactas.