Cita APA (7th ed.)

Microsoft Corporation. (1988). Microsof COBOL optimizing complier version 3.0. BPB.

Cita Chicago (17th ed.)

Microsoft Corporation. Microsof COBOL Optimizing Complier Version 3.0. New Delhi: BPB, 1988.

Cita MLA (9th ed.)

Microsoft Corporation. Microsof COBOL Optimizing Complier Version 3.0. BPB, 1988.