Beighley, L. (2007). Head first SQL. O'Reilly Media.
Citación estilo ChicagoBeighley, Lynn. Head First SQL. Beijing ; Sebastopol, CA: O'Reilly Media, 2007.
Cita MLABeighley, Lynn. Head First SQL. O'Reilly Media, 2007.
Warning: These citations may not always be 100% accurate.