Gaya APA
Samadi, . et al (2010).
Geography [Jilid 3]: for Senior High School Year XII [KTSP 2006-Bilingual] (Ed. 1.--).
Jakarta:
Yudhistira.
Gaya MLA
Samadi, . et al.
"Geography [Jilid 3]: for Senior High School Year XII [KTSP 2006-Bilingual]".
Ed. 1.--
Jakarta:
Yudhistira,
2010.
Text.