Gaya APA

Swanson, C, P., Jones, B, W. (1963). **Elementary concepts of mathematics . New York: New York: The Macmillan; 1963.

Gaya MLA

Swanson, Carl, P.., Jones, Burton, W. "**Elementary concepts of mathematics". New York: New York: The Macmillan; 1963, 1963. Text.