APA Style
Trihendradi, C.
(2012).
Step by Step SPSS 20: Analisis Data Statistik
(
1st)
.
Yogyakarta:
ANDI.
MLA Style
Trihendradi, C..
"Step by Step SPSS 20: Analisis Data Statistik".
1st
Yogyakarta:
ANDI,
2012.
Text.