European Commission & Energy in Europe DG. (2000). 1999 - Annual Energy Review: Energy in Europe. European Communities.
Chicago-čujuhus (17. p.)European Commission juo Energy in Europe DG. 1999 - Annual Energy Review: Energy in Europe. Luxembourg: European Communities, 2000.
MLA-čujuhus (9. p.)European Commission juo Energy in Europe DG. 1999 - Annual Energy Review: Energy in Europe. European Communities, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.