Lee, Y. L. (1977). The political geography of Southeast Asian seas: Some preliminary observations. University of Singapore.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lee, Yong Leng. The Political Geography of Southeast Asian Seas: Some Preliminary Observations. Singapore: University of Singapore, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lee, Yong Leng. The Political Geography of Southeast Asian Seas: Some Preliminary Observations. University of Singapore, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.