Gaya APA
mathematics for junior high school volume 1B. (2009).
Jakarta:
Erlangga.
Gaya Chicago
mathematics for junior high school volume 1B.
1.
Jakarta:
Erlangga,
2009.
Buku.
Gaya MLA
mathematics for junior high school volume 1B.
1.
Jakarta:
Erlangga,
2009.
Buku.
Gaya Turabian
mathematics for junior high school volume 1B.
Jakarta:
Erlangga,
2009.
Buku.