Beighley, L. (2007). Head First SQL. Shroff Publishing.
Chicago-čujuhus (17. p.)Beighley, Lynn. Head First SQL. Mumbai: Shroff Publishing, 2007.
MLA-čujuhus (9. p.)Beighley, Lynn. Head First SQL. Shroff Publishing, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.