Hallett, D., Nunes, T., Bryant, P., & Thorpe, C. (2012). Individual differences in conceptual and procedural fraction understanding: The role of abilities and school experience.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hallett, D., T. Nunes, P. Bryant, و C. Thorpe. Individual Differences in Conceptual and Procedural Fraction Understanding: The Role of Abilities and School Experience. 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hallett, D., et al. Individual Differences in Conceptual and Procedural Fraction Understanding: The Role of Abilities and School Experience. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.