Chua, Y. P. (2017). Green Thumb: Woha's Oasia hotel in downtown Singapore sticks out in many ways, Ecologically, for one. MARK.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChua, Yen Ping. "Green Thumb: Woha's Oasia Hotel in Downtown Singapore Sticks Out in Many Ways, Ecologically, for One." MARK 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रChua, Yen Ping. "Green Thumb: Woha's Oasia Hotel in Downtown Singapore Sticks Out in Many Ways, Ecologically, for One." MARK, 2017.
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