APA Style
Wordperfect Courseware Training manual ; For Word perfect 5.1. (1990).
-:
-.
Chicago Style
Wordperfect Courseware Training manual ; For Word perfect 5.1.
.
-:
-,
1990.
Text.
MLA Style
Wordperfect Courseware Training manual ; For Word perfect 5.1.
.
-:
-,
1990.
Text.
Turabian Style
Wordperfect Courseware Training manual ; For Word perfect 5.1.
-:
-,
1990.
Print.