Journal of Sustainable Energy | University of Oradea. Cambridge University Press.
Chicago-čujuhus (17. p.)Journal of Sustainable Energy | University of Oradea. Cambridge University Press.
MLA-čujuhus (9. p.)Journal of Sustainable Energy | University of Oradea. Cambridge University Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.