Cita APA

MARKS, J., PURDY, R., & KINNEY, L. B. (1958). Teaching arithmetic for understanding. New York, EEUU: MCGRW-HILL BOOK CO.

Citación estilo Chicago

MARKS, John, Richard PURDY, and Lucien B. KINNEY. Teaching Arithmetic for Understanding. New York, EEUU: MCGRW-HILL BOOK CO, 1958.

Cita MLA

MARKS, John, Richard PURDY, and Lucien B. KINNEY. Teaching Arithmetic for Understanding. New York, EEUU: MCGRW-HILL BOOK CO, 1958.