LITECKY, C. R. (1987). Structured cobola step by step approach. McGraw Hill.
Chicagoスタイル(17版)引用形式LITECKY, Charles R. Structured Cobola Step by Step Approach. McGraw Hill, 1987.
MLA(8版)引用形式LITECKY, Charles R. Structured Cobola Step by Step Approach. McGraw Hill, 1987.
警告: この引用は必ずしも正確ではありません.