Hartshorn, J. E. (1962). Politics snd world oil economics, an account of the international oil industry in its political environment. Praeger.
Citação do estilo Chicago (17ª ed.)Hartshorn, J. E. Politics Snd World Oil Economics, an Account of the International Oil Industry in Its Political Environment. New York: Praeger, 1962.
Citação MLA (9ª ed.)Hartshorn, J. E. Politics Snd World Oil Economics, an Account of the International Oil Industry in Its Political Environment. Praeger, 1962.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.