GWYNNE PETER/ JEFFRIES, B. (1998). ILLUSTRATED ENCY OF ENERGY&PHYSICS. TIME LIFE PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGWYNNE PETER/ JEFFRIES, BRIAN. ILLUSTRATED ENCY OF ENERGY&PHYSICS. ASIA: TIME LIFE PUBLICATIONS, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGWYNNE PETER/ JEFFRIES, BRIAN. ILLUSTRATED ENCY OF ENERGY&PHYSICS. TIME LIFE PUBLICATIONS, 1998.
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