Gaya APA
Adinawan, C., Sugijono, .
(2010).
Math for junior high school : 1st semester grade VIII
.
Jakarta:
Erlangga.
Gaya MLA
Adinawan, Cholik., Sugijono, .
"Math for junior high school : 1st semester grade VIII".
Jakarta:
Erlangga,
2010.
Text.