Price, B. P. (1975). World sources of energy. Macdonald Educational.
Chicago-čujuhus (17. p.)Price, Brian P. World Sources of Energy. London: Macdonald Educational, 1975.
MLA-čujuhus (9. p.)Price, Brian P. World Sources of Energy. Macdonald Educational, 1975.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.