GREENBERG, N. (2004). Course Manual Oracle Database 10g: SQL Fundamentals I Volume III Student Guide (Additional Practices). Jobi Varghese.
Chicago (17e ed.) BronvermeldingGREENBERG, Nancy. Course Manual Oracle Database 10g: SQL Fundamentals I Volume III Student Guide (Additional Practices). Jobi Varghese, 2004.
MLA (8e ed.) BronvermeldingGREENBERG, Nancy. Course Manual Oracle Database 10g: SQL Fundamentals I Volume III Student Guide (Additional Practices). Jobi Varghese, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.