LITECKY, C. R. (1987). Structured cobola step by step approach. McGraw Hill.
Chicago Style (17th ed.) CitationLITECKY, Charles R. Structured Cobola Step by Step Approach. McGraw Hill, 1987.
MLA引文LITECKY, Charles R. Structured Cobola Step by Step Approach. McGraw Hill, 1987.
警告：这些引文格式不一定是100％准确.