Gaya APA
SINGGIH, S.
(2002).
SPSS 22 From Essential to expert Skill
.
Jakarta:
PT.Elex Media Komputindo.
Gaya MLA
SINGGIH, SANTOSO.
"SPSS 22 From Essential to expert Skill".
Jakarta:
PT.Elex Media Komputindo,
2002.
Text.