Aster, R. (2004). Professional SAS programmer's pocket reference (5th ed.). Breakfast Communications.
Chicago-Zitierstil (17. Ausg.)Aster, Rick. Professional SAS Programmer's Pocket Reference. 5th ed. Paoli, Pa: Breakfast Communications, 2004.
MLA-Zitierstil (9. Ausg.)Aster, Rick. Professional SAS Programmer's Pocket Reference. 5th ed. Breakfast Communications, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.