Politics and world oil economics
Hartshorn, J. E.
Politics and world oil economics an account of the international oil industry in its political enviroment by J. E. Hartshorn. - Rev. ed. - New York Praeger 1967. - 410 p. maps.
Petroleum industry and trade
Politics and world oil economics an account of the international oil industry in its political enviroment by J. E. Hartshorn. - Rev. ed. - New York Praeger 1967. - 410 p. maps.
Petroleum industry and trade