Cita APA (7a ed.)
(1988). Learning and using dBASE IV. Language reference (2.p.). B.n.
Cita Chicago Style (17a ed.)
Learning and Using DBASE IV. Language Reference. 2.p. B.m.: B.n, 1988.
Cita MLA (9a ed.)
Learning and Using DBASE IV. Language Reference. 2.p. B.n, 1988.
Precaución: Estas citas no son 100% exactas.