APA Style

LEARNING dBASE IV. (1988). : Asthon.

Chicago Style

LEARNING dBASE IV. . : Asthon, 1988. Text.

MLA Style

LEARNING dBASE IV. . : Asthon, 1988. Text.

Turabian Style

LEARNING dBASE IV. : Asthon, 1988. Print.