Gaya APA
Rich, Barnett. (1960).
Elementary algebra .
New York:
McGraw hill book company.
Gaya Chicago
Rich, Barnett.
Elementary algebra.
New York:
McGraw hill book company,
1960.
Text.
Gaya MLA
Rich, Barnett.
Elementary algebra.
New York:
McGraw hill book company,
1960.
Text.
Gaya Turabian
Rich, Barnett.
Elementary algebra.
New York:
McGraw hill book company,
1960.
Print.