Gaya APA
SPSS Student Version 11.0 for Windows. (2003).
:
Prentice Hall.
Gaya Chicago
SPSS Student Version 11.0 for Windows.
.
:
Prentice Hall,
2003.
CD/DVD-ROM.
Gaya MLA
SPSS Student Version 11.0 for Windows.
.
:
Prentice Hall,
2003.
CD/DVD-ROM.
Gaya Turabian
SPSS Student Version 11.0 for Windows.
:
Prentice Hall,
2003.
CD/DVD-ROM.