Kostianoy, A. G., & Kosarev, A. N. (2005). The Caspian Sea Environment. Springer Berlin Heidelberg. https://doi.org/10.1007/b138238
Lua i Stíl Chicago (17ú heag.)Kostianoy, Andrey G., agus Aleksey N. Kosarev. The Caspian Sea Environment. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138238.
Lua MLA (9ú heag.)Kostianoy, Andrey G., agus Aleksey N. Kosarev. The Caspian Sea Environment. Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138238.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.