Cita APA (7a ed.)
(1988). Learning and using dBASE IV. Advanced topics. B.n.
Cita Chicago Style (17a ed.)
Learning and Using DBASE IV. Advanced Topics. B.m.: B.n, 1988.
Cita MLA (9a ed.)
Learning and Using DBASE IV. Advanced Topics. B.n, 1988.
Precaución: Estas citas no son 100% exactas.