Leng, L. Y. (1982). Southeast Asia: Essays in political geography. Singapore University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeng, Lee Yong. Southeast Asia: Essays in Political Geography. Singapore University Press, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLeng, Lee Yong. Southeast Asia: Essays in Political Geography. Singapore University Press, 1982.
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