Gaya APA

McSwain, E., Cooke, R, J. (1958). Understanding and teaching arithmetic in the elementary school . New York: Holt, Rinehart and Winston.

Gaya MLA

McSwain, E.T.., Cooke, Ralph, J.. "Understanding and teaching arithmetic in the elementary school". New York: Holt, Rinehart and Winston, 1958. Text.