Yan, G. H. (2007). Apo Reef set to reclaim old story: Park opens for tourism, closes for fishing. Animal Scene.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYan, Gregg H. "Apo Reef Set to Reclaim Old Story: Park Opens for Tourism, Closes for Fishing." Animal Scene 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYan, Gregg H. "Apo Reef Set to Reclaim Old Story: Park Opens for Tourism, Closes for Fishing." Animal Scene, 2007.
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