Gaya APA
al., E. et al (2000).
Spss (statistical Product And Service Solutions) Versi 7.5 .
Jakarta:
Elex Media Komputindo.
Gaya MLA
al., Et. et al.
"Spss (statistical Product And Service Solutions) Versi 7.5".
Jakarta:
Elex Media Komputindo,
2000.
Text.