Hemijska Industrija | Association of Chemical Engineers of Serbia. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Hemijska Industrija | Association of Chemical Engineers of Serbia. Cambridge University Press.
Lua MLA (8ú heag.)Hemijska Industrija | Association of Chemical Engineers of Serbia. Cambridge University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.