Gumz, W. 1. (1950). Gas producers and blast furnaces; theory and methods of calculation. Wiley.
Cita Chicago Style (17a ed.)Gumz, Wilhelm 1901. Gas Producers and Blast Furnaces; Theory and Methods of Calculation. New York: Wiley, 1950.
Cita MLA (9a ed.)Gumz, Wilhelm 1901. Gas Producers and Blast Furnaces; Theory and Methods of Calculation. Wiley, 1950.
Precaución: Estas citas no son 100% exactas.