Doddy, A. (2008). Developing English Competencies: For Senior High School (SMA/MA) Grade X. Pusat Perbukuan Depdiknas.
Lua i Stíl Chicago (17ú heag.)Doddy, Achmad. Developing English Competencies: For Senior High School (SMA/MA) Grade X. Pusat Perbukuan Depdiknas, 2008.
Lua MLA (8ú heag.)Doddy, Achmad. Developing English Competencies: For Senior High School (SMA/MA) Grade X. Pusat Perbukuan Depdiknas, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.