Suyanto & SUSILO. (2014). Metodologi penelitian cross sectional. Boss Script.
Lua i Stíl Chicago (17ú heag.)Suyanto agus SUSILO. Metodologi Penelitian Cross Sectional. Boss Script, 2014.
Lua MLA (9ú heag.)Suyanto agus SUSILO. Metodologi Penelitian Cross Sectional. Boss Script, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.