APA
(1988). Word Perfect: Secrets, Solutions, Shortcuts. Califonia: Osborne McGraw-Hill.
Chicago
1988. Word Perfect: Secrets, Solutions, Shortcuts. Califonia: Osborne McGraw-Hill.
Harvard
(1988). Word Perfect: Secrets, Solutions, Shortcuts. Califonia: Osborne McGraw-Hill.
MLA
Word Perfect: Secrets, Solutions, Shortcuts. Califonia: Osborne McGraw-Hill. 1988.