DESHPANDE G B. (1992). WORLD OF PETROLEUM. NEW AGE INTERNATIONAL PUBLISHERS.
Chicago-čujuhus (17. p.)DESHPANDE G B. WORLD OF PETROLEUM. NEW DELHI: NEW AGE INTERNATIONAL PUBLISHERS, 1992.
MLA-čujuhus (9. p.)DESHPANDE G B. WORLD OF PETROLEUM. NEW AGE INTERNATIONAL PUBLISHERS, 1992.
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