Townsend, C. (1985). Mastering dBASE III: A structured approach. SYBEX.
Chicagoスタイル(17版)引用形式Townsend, Carl. Mastering DBASE III: A Structured Approach. Berkeley: SYBEX, 1985.
MLA(9版)引用形式Townsend, Carl. Mastering DBASE III: A Structured Approach. SYBEX, 1985.
警告: この引用は必ずしも正確ではありません.