Gaya APA
Corporation, I. (1980).
PC Operations Guide to the 16 bit PC(Dos 2.0) and xt .
Washington, Amerika Serikat:
Microsoft Corporation.
Gaya MLA
Corporation, I..
PC Operations Guide to the 16 bit PC(Dos 2.0) and xt.
Washington, Amerika Serikat:
Microsoft Corporation,
1980.
Lawas.