[태그:] 2013

APA The Children’s Society. (2013). The Good Childhood Report 2013. 사이트 https://www.childrenssociety.org.uk/what-we-do/resources-and-publications/publications-library/good-childhood-report-2013 다운로드 https://www.childrenssociety.org.uk/sites/default/files/good_childhood_report_2013_final.pdf 

APA Helliwell, J. F., Layard, R., & Sachs, J. (2013). World happiness report 2013. New York: UN Sustainable Development Solutions Network. 다운로드  https://worldhappiness.report/ed/2013/