Brueckner, L. J., Anderson, C., Banting, G., & Merton, E. L. (1939). The new curriculum arithmetics: Grade three. John C. Winston Company.
Cita Chicago (17th ed.)Brueckner, Leo J., C.J Anderson, G.O Banting, i Elda L. Merton. The New Curriculum Arithmetics: Grade Three. Philadelphia: John C. Winston Company, 1939.
Cita MLA (9th ed.)Brueckner, Leo J., et al. The New Curriculum Arithmetics: Grade Three. John C. Winston Company, 1939.
Atenció: Aquestes cites poden no estar 100% correctes.