APA Style

LEARNING dBASE IV. (1988). -: Ashton-Tate.

Chicago Style

LEARNING dBASE IV. . -: Ashton-Tate, 1988. Text.

MLA Style

LEARNING dBASE IV. . -: Ashton-Tate, 1988. Text.

Turabian Style

LEARNING dBASE IV. -: Ashton-Tate, 1988. Print.