Lee, Y. L. (1977). The political geography of Southeast Asian seas: Some preliminary observations. University of Singapore.
Chicago-viite (17. p.)Lee, Yong Leng. The Political Geography of Southeast Asian Seas: Some Preliminary Observations. Singapore: University of Singapore, 1977.
MLA-viite (8. p.)Lee, Yong Leng. The Political Geography of Southeast Asian Seas: Some Preliminary Observations. University of Singapore, 1977.
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