Bishop, D., Adams, C., & Norbury, C. (2004). Using nonword repetition to distinguish genetic and environmental influences on early literacy development: A study of 6-year-old twins.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bishop, D., C. Adams, و C. Norbury. Using Nonword Repetition to Distinguish Genetic and Environmental Influences on Early Literacy Development: A Study of 6-year-old Twins. 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bishop, D., et al. Using Nonword Repetition to Distinguish Genetic and Environmental Influences on Early Literacy Development: A Study of 6-year-old Twins. 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.