APA

Erba M., Rovere A., Turriani C., Agip, World Petroleum Congress (11th. : 1983 : London), Rovere A., Turriani C. & Agip.Bu attifel field. : .

Chicago

Erba M, Rovere A, Turriani C, Agip, World Petroleum Congress (11th. : 1983 : London), Rovere A, Turriani C and Agip.Bu attifel field. : .

Harvard

Erba M., Rovere A., Turriani C., Agip, World Petroleum Congress (11th. : 1983 : London), Rovere A., Turriani C. and Agip.Bu attifel field. : .

MLA

Erba M, Rovere A, Turriani C, Agip, World Petroleum Congress (11th. : 1983 : London), Rovere A, Turriani C and Agip.: . .