APA Style
obrien, james a.. (1989).
PC SOFTWARE WORKBOOK .
:
Irwin.
Chicago Style
obrien, james a..
PC SOFTWARE WORKBOOK .
:
Irwin,
1989.
Text.
MLA Style
obrien, james a..
PC SOFTWARE WORKBOOK .
:
Irwin,
1989.
Text.
Turabian Style
obrien, james a..
PC SOFTWARE WORKBOOK .
:
Irwin,
1989.
Print.