S, A. (2012). ECONOMICS 3B for Senior High School Grade XII Semester 2. ESIS.
Lua i Stíl Chicago (17ú heag.)S, Alam. ECONOMICS 3B for Senior High School Grade XII Semester 2. ESIS, 2012.
Lua MLA (8ú heag.)S, Alam. ECONOMICS 3B for Senior High School Grade XII Semester 2. ESIS, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.