Carpenter, T. P., Moser, J. M., & Romberg, T. A. (1982). Addition and subtraction: A cognitive perspective. Lawrence Earlbaum Associates.
Citace podle Chicago (17th ed.)Carpenter, Thomas P., James M. Moser, a Thomas A. Romberg. Addition and Subtraction: A Cognitive Perspective. Hillsdale, NJ: Lawrence Earlbaum Associates, 1982.
Citace podle MLA (9th ed.)Carpenter, Thomas P., et al. Addition and Subtraction: A Cognitive Perspective. Lawrence Earlbaum Associates, 1982.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..