Gaya APA
Freya, C.
(2007).
Matematika 2A IPS
.
Yogyakarta:
Multimedia Developer Departemen IT SMA PLUS PGRI CIBINONG.
Gaya MLA
Freya, Clio.
"Matematika 2A IPS".
Yogyakarta:
Multimedia Developer Departemen IT SMA PLUS PGRI CIBINONG,
2007.
Text.