Cita APA (7th ed.)

FAWCETT, H. P., & CUMMINS, K. B. (1970). The teaching of mathematics from counting to calculus. A Bell and Howell co.

Cita Chicago (17th ed.)

FAWCETT, Harold P., i Kenneth B. CUMMINS. The Teaching of Mathematics from Counting to Calculus. Columbus: A Bell and Howell co, 1970.

Cita MLA (9th ed.)

FAWCETT, Harold P., i Kenneth B. CUMMINS. The Teaching of Mathematics from Counting to Calculus. A Bell and Howell co, 1970.