Gaya APA
IBM PC Dos and microsoft windows user's guide. (1997).
New York:
Inter Business.
Gaya Chicago
IBM PC Dos and microsoft windows user's guide.
.
New York:
Inter Business,
1997.
Text.
Gaya MLA
IBM PC Dos and microsoft windows user's guide.
.
New York:
Inter Business,
1997.
Text.
Gaya Turabian
IBM PC Dos and microsoft windows user's guide.
New York:
Inter Business,
1997.
Print.