Skrotzki , B. G. A., & Vopat, W. A. . .. (1960). Power station engineering and economy. Mc Graw Hill.
Chicago-čujuhus (17. p.)Skrotzki , Bernhardt G. A., juo William A. Vopat. Power Station Engineering and Economy. New York: Mc Graw Hill, 1960.
MLA-čujuhus (9. p.)Skrotzki , Bernhardt G. A., juo William A. Vopat. Power Station Engineering and Economy. Mc Graw Hill, 1960.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.