Deshpande , B. .. G. (1992). The world of petroleum. Wiley eastern Ltd.
Chicago Edition CitationDeshpande , B . G. The World of Petroleum. New Dehlhi: Wiley eastern Ltd, 1992.
MLA Edition CitationDeshpande , B . G. The World of Petroleum. Wiley eastern Ltd, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.