Citazione APA

World Gas Conference Nice, France, & International Gas Union. (1973). 12e Congrès mondial du gaz, Nice 73: [rapports] = 12th World Gas Conference, Nice 73 : [reports]. International Gas Union.

Stile di citazione Chicago

World Gas Conference Nice, France, e International Gas Union. 12e Congrès Mondial Du Gaz, Nice 73: [rapports] = 12th World Gas Conference, Nice 73 : [reports]. London: International Gas Union, 1973.

Citazione MLA

World Gas Conference Nice, France, e International Gas Union. 12e Congrès Mondial Du Gaz, Nice 73: [rapports] = 12th World Gas Conference, Nice 73 : [reports]. International Gas Union, 1973.