Gaya APA
Microsoft PowerPoint : The most Populer Presentation Graphis program version 4.0 : For Apple, Macintoseh, Series or Windows, Series. (1994).
Singapore:
Microsoft Corporation.
Gaya MLA
Microsoft PowerPoint : The most Populer Presentation Graphis program version 4.0 : For Apple, Macintoseh, Series or Windows, Series.
.
Singapore:
Microsoft Corporation,
1994.
Text.