SCHOLASTIC EDUCATION. (2004). 100 MATH ACTIVITIES KIDS NEED TO DO BY 1st GRADE. SCHOLASTIC INS.
Čikaški stil citiranja (17. izdanje)SCHOLASTIC EDUCATION. 100 MATH ACTIVITIES KIDS NEED TO DO BY 1st GRADE. USA: SCHOLASTIC INS, 2004.
MLA način citiranja (9. izdanje)SCHOLASTIC EDUCATION. 100 MATH ACTIVITIES KIDS NEED TO DO BY 1st GRADE. SCHOLASTIC INS, 2004.
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