APA

Gramberg I., Sorokov D., World Petroleum Congress (11th. : 1983 : London) & Sorokov D.Artic oil -and gas- bearing superbasin. : .

Chicago

Gramberg I.S, Sorokov D.S, World Petroleum Congress (11th. : 1983 : London) and Sorokov D.S.Artic oil -and gas- bearing superbasin. : .

Harvard

Gramberg I., Sorokov D., World Petroleum Congress (11th. : 1983 : London) and Sorokov D.Artic oil -and gas- bearing superbasin. : .

MLA

Gramberg I.S, Sorokov D.S, World Petroleum Congress (11th. : 1983 : London) and Sorokov D.S.: . .