Longrigg Stephen Hemsley. (1968). Oil in the Middle -East ; its discovery and development (3rd ed.). Oxford univ. press.
Citace podle Chicago (17th ed.)Longrigg Stephen Hemsley. Oil in the Middle -East ; Its Discovery and Development. 3rd ed. London: Oxford univ. press, 1968.
Citace podle MLA (9th ed.)Longrigg Stephen Hemsley. Oil in the Middle -East ; Its Discovery and Development. 3rd ed. Oxford univ. press, 1968.
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