Cita APA (7th ed.)

Ashlock, R. B., & Herman, W. L. j. c. (1970). Current researh in elementary school mathematics. Macmillan.

Cita Chicago (17th ed.)

Ashlock, Robert B., i Wayne L. joint comp Herman. Current Researh in Elementary School Mathematics. [New York]: Macmillan, 1970.

Cita MLA (9th ed.)

Ashlock, Robert B., i Wayne L. joint comp Herman. Current Researh in Elementary School Mathematics. Macmillan, 1970.