Deveza, J. (1998). Ecotourism urged to stop slaughter of whale sharks. Philippine Daily Inquirer.
Chicago-viite (17. p.)Deveza, J.B.R. "Ecotourism Urged to Stop Slaughter of Whale Sharks." Philippine Daily Inquirer 1998.
MLA-viite (9. p.)Deveza, J.B.R. "Ecotourism Urged to Stop Slaughter of Whale Sharks." Philippine Daily Inquirer, 1998.
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