Hasim. (2010). CIVIC 1 EDUCATION For Senior High School Year X. Yudhistira.
Chicago-viite (17. p.)Hasim. CIVIC 1 EDUCATION For Senior High School Year X. Yudhistira, 2010.
MLA-viite (8. p.)Hasim. CIVIC 1 EDUCATION For Senior High School Year X. Yudhistira, 2010.
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