Skeet, I. (1989). Opec, twenty five years of prices and politics. Cambridge, United Kingdom: Cambridge University Press.
Citación estilo ChicagoSkeet, Ian. Opec, Twenty Five Years of Prices and Politics. Cambridge, United Kingdom: Cambridge University Press, 1989.
Cita MLASkeet, Ian. Opec, Twenty Five Years of Prices and Politics. Cambridge, United Kingdom: Cambridge University Press, 1989.
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