Gaya APA
BILLSTEIN, RICK. (2004).
MATHEMATICS FOR ELEMENTARY SCHOOL TEACHERS EIGHT EDITION .
BOSTON:
PEARSON EDUCATION.
Gaya Chicago
BILLSTEIN, RICK.
MATHEMATICS FOR ELEMENTARY SCHOOL TEACHERS EIGHT EDITION.
BOSTON:
PEARSON EDUCATION,
2004.
Text.
Gaya MLA
BILLSTEIN, RICK.
MATHEMATICS FOR ELEMENTARY SCHOOL TEACHERS EIGHT EDITION.
BOSTON:
PEARSON EDUCATION,
2004.
Text.
Gaya Turabian
BILLSTEIN, RICK.
MATHEMATICS FOR ELEMENTARY SCHOOL TEACHERS EIGHT EDITION.
BOSTON:
PEARSON EDUCATION,
2004.
Print.