توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Atkinson, J., Braddick, O., Pimmsmith, E., Evans, C., & Harding, J. (1983). VISUAL CROWDING OR LATERAL MASKING IN 5-YEAR-OLD AND 6-YEAR-OLDS - DOES IT RELATE TO DIFFICULTIES IN LEARNING TO READ.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Atkinson, J., O. Braddick, E. Pimmsmith, C. Evans, و J. Harding. VISUAL CROWDING OR LATERAL MASKING IN 5-YEAR-OLD AND 6-YEAR-OLDS - DOES IT RELATE TO DIFFICULTIES IN LEARNING TO READ. 1983.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Atkinson, J., et al. VISUAL CROWDING OR LATERAL MASKING IN 5-YEAR-OLD AND 6-YEAR-OLDS - DOES IT RELATE TO DIFFICULTIES IN LEARNING TO READ. 1983.