Hartshorn, J. E. (1962). Politics snd world oil economics, an account of the international oil industry in its political environment. Praeger.
Цитирование в стиле Чикаго (17-е изд.)Hartshorn, J. E. Politics Snd World Oil Economics, an Account of the International Oil Industry in Its Political Environment. New York: Praeger, 1962.
Цитирование MLA (9-е изд.)Hartshorn, J. E. Politics Snd World Oil Economics, an Account of the International Oil Industry in Its Political Environment. Praeger, 1962.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.