APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Tan, K. G. (2012). Ranking the liveability of the world's major cities: The Global Liveable Cities Index (GLCI). World Scientific Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Khee Giap Tan. Ranking the Liveability of the World's Major Cities: The Global Liveable Cities Index (GLCI). Singapore ; Hackensack, N.J.: World Scientific Pub., 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Khee Giap Tan. Ranking the Liveability of the World's Major Cities: The Global Liveable Cities Index (GLCI). World Scientific Pub., 2012.
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