Hursch Jack L. & Hursch Carolyn J. (1989). dBASE IV SQL: User's guide. Ashton-Tate.
Chicago Style (17th ed.) CitationHursch Jack L. and Hursch Carolyn J. DBASE IV SQL: User's Guide. Ashton-Tate, 1989.
MLA (8th ed.) CitationHursch Jack L. and Hursch Carolyn J. DBASE IV SQL: User's Guide. Ashton-Tate, 1989.
Warning: These citations may not always be 100% accurate.