Blain, J. (1998). Using SAP R/3 (2nd ed.). Prentice Hall of India.
Chicago Style aipamenaBlain, Jonathan. Using SAP R/3. 2nd ed. New Delhi: Prentice Hall of India, 1998.
MLA aipamenaBlain, Jonathan. Using SAP R/3. 2nd ed. Prentice Hall of India, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.