APA (7th ed.) Citation

(1976). Learning to program in structured COBOL / Edward Yourdon, Chris Gane, and Trish Sarson.

Chicago Style (17th ed.) Citation

Learning to Program in Structured COBOL / Edward Yourdon, Chris Gane, and Trish Sarson. 1976.

MLA (9th ed.) Citation

Learning to Program in Structured COBOL / Edward Yourdon, Chris Gane, and Trish Sarson. 1976.

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