Elida V. Laski, Joanna Schiffman, Marina Vasilyeva, & Anna Ermakova. (2016). Arithmetic Accuracy in Children From High- and Low-Income Schools. SAGE Publishing.
Cita Chicago (17th ed.)Elida V. Laski, Joanna Schiffman, Marina Vasilyeva, i Anna Ermakova. Arithmetic Accuracy in Children From High- and Low-Income Schools. SAGE Publishing, 2016.
Cita MLA (9th ed.)Elida V. Laski, et al. Arithmetic Accuracy in Children From High- and Low-Income Schools. SAGE Publishing, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.