Gaya APA
Walle John A, Van De. (2008).
Elementary & Middle School Mathematics .
:
Pearson.
Gaya Chicago
Walle John A, Van De.
Elementary & Middle School Mathematics.
:
Pearson,
2008.
.
Gaya MLA
Walle John A, Van De.
Elementary & Middle School Mathematics.
:
Pearson,
2008.
.
Gaya Turabian
Walle John A, Van De.
Elementary & Middle School Mathematics.
:
Pearson,
2008.
.