DeAngelis, M. (2000). Data modeling with ERwin. Techmedia.
Chicago Style (17th ed.) ZitazioaDeAngelis, M.Carla. Data Modeling with ERwin. New Delhi: Techmedia, 2000.
MLA (9th ed.) ZitazioaDeAngelis, M.Carla. Data Modeling with ERwin. Techmedia, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.