(1989). VSAM for the COBOL programmer: Concepts, COBOL, JCL, IDCAMS / Doug Lowe.
Cita Chicago (17th ed.)VSAM for the COBOL Programmer: Concepts, COBOL, JCL, IDCAMS / Doug Lowe. 1989.
Cita MLA (9th ed.)VSAM for the COBOL Programmer: Concepts, COBOL, JCL, IDCAMS / Doug Lowe. 1989.
Atenció: Aquestes cites poden no estar 100% correctes.