Gaya APA
saefullah, A.
(2011).
Sains seru cara seru menguasai materi dasar sains
.
Sleman:
Java litera.
Gaya MLA
saefullah, Aep.
"Sains seru cara seru menguasai materi dasar sains".
Sleman:
Java litera,
2011.
Text.