Dyfyniad APA

Microsoft Corporation. (1993). Microsoft excel: Version 5.0 User`s guide. Microsoft Corporation.

Dyfyniad Arddull Chicago

Microsoft Corporation. Microsoft Excel: Version 5.0 User`s Guide. NULL: Microsoft Corporation, 1993.

Dyfyniad MLA

Microsoft Corporation. Microsoft Excel: Version 5.0 User`s Guide. Microsoft Corporation, 1993.

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