(1986). PL/I: Structured programming and problem solving / Rama N. Reddy, Carol A. Ziegler.
Cita Chicago Style (17a ed.)PL/I: Structured Programming and Problem Solving / Rama N. Reddy, Carol A. Ziegler. 1986.
Cita MLA (9a ed.)PL/I: Structured Programming and Problem Solving / Rama N. Reddy, Carol A. Ziegler. 1986.
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