Penggayaan APA
Corporation. (1987).
Microsoft MS- DOS : User's guide version 3.3 .
USA:
Microsoft.
Chicago Style
Corporation.
Microsoft MS- DOS : User's guide version 3.3.
USA:
Microsoft,
1987.
Text.
MLA Style
Corporation.
Microsoft MS- DOS : User's guide version 3.3.
USA:
Microsoft,
1987.
Text.
Turabian Style
Corporation.
Microsoft MS- DOS : User's guide version 3.3.
USA:
Microsoft,
1987.
Print.