Buchanan, R. L. (1995). Structured programming in dBase IV: Version 2.0 (2nd ed.). Belmont, Calif.: Wadsworth.
Chicago Style citaatBuchanan, Robert L. Structured Programming in DBase IV: Version 2.0. 2nd ed. Belmont, Calif.: Wadsworth, 1995.
MLA citatieBuchanan, Robert L. Structured Programming in DBase IV: Version 2.0. 2nd ed. Belmont, Calif.: Wadsworth, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.