Cita APA

IBM. (1987). IBM system: Bibliography of industry systems and applications programs (6a. ed.). Pennsylvania: IBM Corporation.

Citación estilo Chicago

IBM. IBM System: Bibliography of Industry Systems and Applications Programs. 6a. ed. Pennsylvania: IBM Corporation, 1987.

Cita MLA

IBM. IBM System: Bibliography of Industry Systems and Applications Programs. 6a. ed. Pennsylvania: IBM Corporation, 1987.

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