Wu, W., West, S. G., & Hughes, J. N. (2010). Effect of Grade Retention in First Grade on Psychosocial Outcomes.
Citação norma ChicagoWu, Wei, Stephen G. West, and Jan N. Hughes. Effect of Grade Retention in First Grade On Psychosocial Outcomes. 2010.
ציטוט MLAWu, Wei, Stephen G. West, and Jan N. Hughes. Effect of Grade Retention in First Grade On Psychosocial Outcomes. 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.