Surya, Y. (2010). OPTIKA. KANDEL.
Lua i Stíl Chicago (17ú heag.)Surya, Yohanes. OPTIKA. KANDEL, 2010.
Lua MLA (8ú heag.)Surya, Yohanes. OPTIKA. KANDEL, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)