Abuzar, A. (2015). Metode Penelitian Survei. In Media.
Lua i Stíl Chicago (17ú heag.)Abuzar, Asra. Metode Penelitian Survei. In Media, 2015.
Lua MLA (8ú heag.)Abuzar, Asra. Metode Penelitian Survei. In Media, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.