توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(2013). Working children 5 to 17 years old is estimated at 5.5 million (preliminary results of the 2011 survey on children. NSO Monthly Bulletin Statistics.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

"Working Children 5 to 17 Years Old Is Estimated at 5.5 Million (preliminary Results of the 2011 Survey on Children." NSO Monthly Bulletin Statistics 2013.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

"Working Children 5 to 17 Years Old Is Estimated at 5.5 Million (preliminary Results of the 2011 Survey on Children." NSO Monthly Bulletin Statistics, 2013.