APA-čujuhus (7. p.)
Viescas, J. (1990). Programmer's quick refence series: DBASE IV (ed.). Microsoft Press.
Chicago-čujuhus (17. p.)
Viescas, John. Programmer's Quick Refence Series: DBASE IV. ed. Washington: Microsoft Press, 1990.
MLA-čujuhus (9. p.)
Viescas, John. Programmer's Quick Refence Series: DBASE IV. ed. Microsoft Press, 1990.
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