Koh, K. L., Gunawansa, A., & Bhullar, L. (2010). "Eco-Cities" and "Sustainable Cities" - Whither? Institutional Knowledge at Singapore Management University.
استشهاد بنمط شيكاغوKoh, Kheng Lian, Asanga Gunawansa, و Lovleen Bhullar. "Eco-Cities" and "Sustainable Cities" - Whither? Institutional Knowledge at Singapore Management University, 2010.
MLA استشهادKoh, Kheng Lian, Asanga Gunawansa, و Lovleen Bhullar. "Eco-Cities" and "Sustainable Cities" - Whither? Institutional Knowledge at Singapore Management University, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.