Cita APA

(1992). Microsoft windows, version 3.1: User's guide and getting started. United States of America: Microsoft Corporation.

Citación estilo Chicago

Microsoft Windows, Version 3.1: User's Guide and Getting Started. United States of America: Microsoft Corporation, 1992.

Cita MLA

Microsoft Windows, Version 3.1: User's Guide and Getting Started. United States of America: Microsoft Corporation, 1992.