Ed. by Boal, G. A. (1969). Power system economics. Edward Arnold.
Chicago-čujuhus (17. p.)Ed. by Boal, G. A. Power System Economics. london: Edward Arnold, 1969.
MLA-čujuhus (9. p.)Ed. by Boal, G. A. Power System Economics. Edward Arnold, 1969.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.