Steele, P. (1988). 64 Clipper user-defined functions. TAB Books.
Chicagoスタイル(17版)引用形式Steele, Philip. 64 Clipper User-defined Functions. Blue Ridge Summit, PA: TAB Books, 1988.
MLA(9版)引用形式Steele, Philip. 64 Clipper User-defined Functions. TAB Books, 1988.
警告: この引用は必ずしも正確ではありません.