توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Grey, I., Healy, O., Leader, G., & Hayes, D. (2009). Using a Time Timer™ to increase appropriate waiting behavior in a child with developmental disabilities.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Grey, Ian, Olive Healy, Geraldine Leader, و Deirdre Hayes. Using a Time Timer™ to Increase Appropriate Waiting Behavior in a Child with Developmental Disabilities. 2009.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Grey, Ian, et al. Using a Time Timer™ to Increase Appropriate Waiting Behavior in a Child with Developmental Disabilities. 2009.