Pitts, G. N., & Bateman, B. L. (1982). Essentials of Cobol programming: A structured approach. Computer Science.
Cita Chicago Style (17a ed.)Pitts, Gerald N., y Barry L. Bateman. Essentials of Cobol Programming: A Structured Approach. Rockville, Maryland: Computer Science, 1982.
Cita MLA (9a ed.)Pitts, Gerald N., y Barry L. Bateman. Essentials of Cobol Programming: A Structured Approach. Computer Science, 1982.
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