Gupta, H. K. (2003). Energy from the oceans. Centre for Earth Science Studies.
Čikaški stil citiranjaGupta, Harsh K. Energy from the Oceans. Thiruvananthapuram: Centre for Earth Science Studies, 2003.
MLA način citiranjaGupta, Harsh K. Energy from the Oceans. Centre for Earth Science Studies, 2003.
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