Skrotzki, B. G. A., & Vopat, W. A. (1972). Power station engineering and economy (Second edition of Applied energy conversion.). Tata McGraw-Hill.

Skrotzki, Bernhardt G. A., and William A. Vopat. Power Station Engineering and Economy. Second edition of Applied energy conversion. New Delhi: Tata McGraw-Hill, 1972.

Skrotzki, Bernhardt G. A., and William A. Vopat. Power Station Engineering and Economy. Second edition of Applied energy conversion. Tata McGraw-Hill, 1972.