Kostianoy, A. G., & Kosarev, A. N. (2005). The Caspian Sea Environment. Springer Berlin Heidelberg. https://doi.org/10.1007/b138238
Chicago-čujuhus (17. p.)Kostianoy, Andrey G., juo Aleksey N. Kosarev. The Caspian Sea Environment. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138238.
MLA-čujuhus (9. p.)Kostianoy, Andrey G., juo Aleksey N. Kosarev. The Caspian Sea Environment. Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138238.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.