Woodruff, E. B., & Lammers, H. B. (1977). Steam-plant operation (4th ed.). McGraw-Hill.

Woodruff, Everett B., and Herbert B. Lammers. Steam-plant Operation. 4th ed. New York: McGraw-Hill, 1977.

Woodruff, Everett B., and Herbert B. Lammers. Steam-plant Operation. 4th ed. McGraw-Hill, 1977.