Gaya APA
Grossnickle, F, E., Brueckner, L, J. (1953).
Making Arithmetic Meaningful .
Philadelphia:
The John C. Winston Company.
Gaya MLA
Grossnickle, Foster, E.., Brueckner, Leo, John.
"Making Arithmetic Meaningful".
Philadelphia:
The John C. Winston Company,
1953.
Art Original.