Cita APA

International Business Machines Corp. (1990). IBM application systems/400 languages: Cobol/400 reference. North York: IBM.

Citación estilo Chicago

International Business Machines Corp. IBM Application Systems/400 Languages: Cobol/400 Reference. North York: IBM, 1990.

Cita MLA

International Business Machines Corp. IBM Application Systems/400 Languages: Cobol/400 Reference. North York: IBM, 1990.

Precaución: Estas citas no son 100% exactas.