Mardiyatmo. (2010). Economics 2 For Senior High School Year XI. Yudhistira.
Lua i Stíl Chicago (17ú heag.)Mardiyatmo. Economics 2 For Senior High School Year XI. Yudhistira, 2010.
Lua MLA (8ú heag.)Mardiyatmo. Economics 2 For Senior High School Year XI. Yudhistira, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.