Cita APA (7a ed.)

D'ORAZIO, R., & HAPPEL, G. (1996). Pratical data modelling for database desiggn. John Wiley and Sons.

Cita Chicago Style (17a ed.)

D'ORAZIO, Renzo, y Gunter HAPPEL. Pratical Data Modelling for Database Desiggn. New York: John Wiley and Sons, 1996.

Cita MLA (9a ed.)

D'ORAZIO, Renzo, y Gunter HAPPEL. Pratical Data Modelling for Database Desiggn. John Wiley and Sons, 1996.