(2006). Trends in International Mathematics & Science Study 2003 Nonresponse Bias Analysis. U.S. Department of Education.
Čikaški stil citiranja (17. izdanje)Trends in International Mathematics & Science Study 2003 Nonresponse Bias Analysis. U.S. Department of Education, 2006.
MLA način citiranja (9. izdanje)Trends in International Mathematics & Science Study 2003 Nonresponse Bias Analysis. U.S. Department of Education, 2006.
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