Gaya APA
Geometry. (1998).
New Jersey:
Prentice Hall Inc..
Gaya Chicago
Geometry.
.
New Jersey:
Prentice Hall Inc.,
1998.
Buku.
Gaya MLA
Geometry.
.
New Jersey:
Prentice Hall Inc.,
1998.
Buku.
Gaya Turabian
Geometry.
New Jersey:
Prentice Hall Inc.,
1998.
Buku.