Budlong, M. (1997). Teach yourself COBOL in 21 days (Ed.2.).
Chicago Edition CitationBudlong, Mo. Teach Yourself COBOL in 21 Days. Ed.2. Indiana, Sams Publishing, 1997.
MLA Edition CitationBudlong, Mo. Teach Yourself COBOL in 21 Days. Ed.2. 1997.
Warning: These citations may not always be 100% accurate.