Gaya APA
Focus, S.
(Desember 2009).
Science 5A: For Elementary School Year V
(
Pertama)
.
Bogor:
Yudhistira.
Gaya MLA
Focus, Science.
"Science 5A: For Elementary School Year V".
Pertama
Bogor:
Yudhistira,
Desember 2009.
Buku Cetak.