Sahasranaman, P. B. (2001). Sand mining: The law, science and environment. Sterling print House.
Čikaški stil citiranjaSahasranaman, P. B. Sand Mining: The Law, Science and Environment. Ernakulam: Sterling print House, 2001.
MLA način citiranjaSahasranaman, P. B. Sand Mining: The Law, Science and Environment. Sterling print House, 2001.
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