Butterfield, T. E. (1929). Steam and gas engineering: A text covering power generating apparatus utilizing energy released by the combustion of fuels. D. Van Nostrand co.; inc..
Dyfyniad Arddull ChicagoButterfield, Thomas Edward. Steam and Gas Engineering: A Text Covering Power Generating Apparatus Utilizing Energy Released by the Combustion of Fuels. New York: D. Van Nostrand co.; inc., 1929.
Dyfyniad MLAButterfield, Thomas Edward. Steam and Gas Engineering: A Text Covering Power Generating Apparatus Utilizing Energy Released by the Combustion of Fuels. D. Van Nostrand co.; inc., 1929.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.