APA Style
Word perfect : for IBM personal computers version . (1988).
:
Orem, Utah : WordPerfect.
Chicago Style
Word perfect : for IBM personal computers version .
.
:
Orem, Utah : WordPerfect,
1988.
.
MLA Style
Word perfect : for IBM personal computers version .
.
:
Orem, Utah : WordPerfect,
1988.
.
Turabian Style
Word perfect : for IBM personal computers version .
:
Orem, Utah : WordPerfect,
1988.
.