Cochrane Corporation (Philadelphia, Pa.). (1921). Finding and stopping waste in modern boiler rooms: A reference manual to aid the owner, manager and operator in securing and maintaining boiler plant economy (2d ed., rev. and enl.). Cochrane corporation.
Chicago-viite (17. p.)Cochrane Corporation (Philadelphia, Pa.). Finding and Stopping Waste in Modern Boiler Rooms: A Reference Manual to Aid the Owner, Manager and Operator in Securing and Maintaining Boiler Plant Economy. 2d ed., rev. and enl. Philadelphia, Pa.: Cochrane corporation, 1921.
MLA-viite (8. p.)Cochrane Corporation (Philadelphia, Pa.). Finding and Stopping Waste in Modern Boiler Rooms: A Reference Manual to Aid the Owner, Manager and Operator in Securing and Maintaining Boiler Plant Economy. 2d ed., rev. and enl. Cochrane corporation, 1921.