APA aipamena

Leon,Alexis. (2004). Enterprise resource planning. Tata Mc Graw Hill.

Chicago Style aipamena

Leon,Alexis. Enterprise Resource Planning. New Delhi: Tata Mc Graw Hill, 2004.

MLA aipamena

Leon,Alexis. Enterprise Resource Planning. Tata Mc Graw Hill, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.