Hartshorn, Jack Ernest.

    Oil trade : politics and prospects / J. E. Hartshorn. 1st paperback print.

    Cambridge : Cambridge University Press, 2010. XV, 306 s., : il. ; 23 cm.
    (Cambridge Studies in Energy and the Environment)
    (Cambridge Studies in Energy and Environment)
    ISBN 0-521-33143-9     ISBN 978-0-521-33143-2     ISBN 978-0-521-14745-3

   
T.16700        UKD: 339.166:622.323]=111