Παραπομπή APA
Maull, H. (1980). Europe and world energy. London ; Boston: Butterworths in association with the Sussex European Research Centre, University of Sussex.
Παραπομπή Chicago StyleMaull, Hanns. Europe and World Energy. London ; Boston: Butterworths in association with the Sussex European Research Centre, University of Sussex, 1980.
Παραπομπή MLAMaull, Hanns. Europe and World Energy. London ; Boston: Butterworths in association with the Sussex European Research Centre, University of Sussex, 1980.
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