Cita APA (7th ed.)

Larocca, D. (1999). Sams teach yourself: SAP R/3 in 24 hours. Techmedia.

Cita Chicago (17th ed.)

Larocca, Danielle. Sams Teach Yourself: SAP R/3 in 24 Hours. New Delhi: Techmedia, 1999.

Cita MLA (9th ed.)

Larocca, Danielle. Sams Teach Yourself: SAP R/3 in 24 Hours. Techmedia, 1999.