Gaya APA
Westriningsih, editor. (2012).
Shortcourse series SPSS 20 .
Yogyakarta:
ANDI.
Gaya Chicago
Westriningsih, editor.
Shortcourse series SPSS 20.
Yogyakarta:
ANDI,
2012.
Text.
Gaya MLA
Westriningsih, editor.
Shortcourse series SPSS 20.
Yogyakarta:
ANDI,
2012.
Text.
Gaya Turabian
Westriningsih, editor.
Shortcourse series SPSS 20.
Yogyakarta:
ANDI,
2012.
Print.