Citazione Stile APA (7a Edizione)
(1997). 20th World Gas Conference 1997. Working Committee C.: Report and Papers. Transmission of Gases. Transport des gaz. Vol. 3. International Gas Union.
Citazione stile Chigago Style (17a edizione)
20th World Gas Conference 1997. Working Committee C.: Report and Papers. Transmission of Gases. Transport Des Gaz. Vol. 3. B.m.: International Gas Union, 1997.
Citatione MLA (9a ed.)
20th World Gas Conference 1997. Working Committee C.: Report and Papers. Transmission of Gases. Transport Des Gaz. Vol. 3. International Gas Union, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.