Battle, E. S. (1967). Achievement values, standards and expectations: Their effect on children's task persistence and academic competence. University Microfilms.
Cita Chicago Style (17a ed.)Battle, Esther Steinhauer. Achievement Values, Standards and Expectations: Their Effect on Children's Task Persistence and Academic Competence. [Ann Arbor, Mich: University Microfilms, 1967.
Cita MLA (9a ed.)Battle, Esther Steinhauer. Achievement Values, Standards and Expectations: Their Effect on Children's Task Persistence and Academic Competence. University Microfilms, 1967.
Precaución: Estas citas no son 100% exactas.