Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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