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