(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.
Chicago (17e ed.) Bronvermelding"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.
MLA (9e ed.) Bronvermelding"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.
Let op: Deze citaties zijn niet altijd 100% accuraat.