Gaya APA
Prealgebra : mathematics for a variable world. (2006).
New York:
[s.n.].
Gaya Chicago
Prealgebra : mathematics for a variable world.
Ed. 3.
New York:
[s.n.],
2006.
Text.
Gaya MLA
Prealgebra : mathematics for a variable world.
Ed. 3.
New York:
[s.n.],
2006.
Text.
Gaya Turabian
Prealgebra : mathematics for a variable world.
New York:
[s.n.],
2006.
Print.