Dickey, B. (1986). dBase III for sales professionals. Ashton-Tate Publishing Group.
Cita Chicago Style (17a ed.)Dickey, Bill. DBase III for Sales Professionals. California: Ashton-Tate Publishing Group, 1986.
Cita MLA (9a ed.)Dickey, Bill. DBase III for Sales Professionals. Ashton-Tate Publishing Group, 1986.
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