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