Butwell, R. (1969). Southeast Asia today and tomorrow: Problems of political development (2nd rev. ed.). Praeger.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रButwell, Richard. Southeast Asia Today and Tomorrow: Problems of Political Development. 2nd rev. ed. New York: Praeger, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रButwell, Richard. Southeast Asia Today and Tomorrow: Problems of Political Development. 2nd rev. ed. Praeger, 1969.
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