APA (7e ed.) Bronvermelding

GROFF JAMES R. (2003). SQL: COMPLETE REFERENCE 2ND ED. WITH CD (2ND ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago (17e ed.) Bronvermelding

GROFF JAMES R. SQL: COMPLETE REFERENCE 2ND ED. WITH CD. 2ND ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.

MLA (9e ed.) Bronvermelding

GROFF JAMES R. SQL: COMPLETE REFERENCE 2ND ED. WITH CD. 2ND ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.