Cita APA (7a ed.)
(1997). 20th World Gas Conference 1997. Vol.2: Working Committee B. Report and Papers. Production of Manufactured Gases and Hydrogen. Production des gaz manufacturés et d´hydrogéne. International Gas Union.
Cita Chicago Style (17a ed.)
20th World Gas Conference 1997. Vol.2: Working Committee B. Report and Papers. Production of Manufactured Gases and Hydrogen. Production Des Gaz Manufacturés Et D´hydrogéne. International Gas Union, 1997.
Cita MLA (9a ed.)
20th World Gas Conference 1997. Vol.2: Working Committee B. Report and Papers. Production of Manufactured Gases and Hydrogen. Production Des Gaz Manufacturés Et D´hydrogéne. International Gas Union, 1997.
Precaución: Estas citas no son 100% exactas.