APA-čujuhus (7. p.)
Buchanan, R. L. (1991). Structured programming in dBase IV. Wadsworth Pub. Co..
Chicago-čujuhus (17. p.)
Buchanan, Robert L. Structured Programming in DBase IV. Belmont, Calif.: Wadsworth Pub. Co., 1991.
MLA-čujuhus (9. p.)
Buchanan, Robert L. Structured Programming in DBase IV. Wadsworth Pub. Co., 1991.
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