Chang, K. A small step toward ideal of limitless power. IN The New York Times International Weekly. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChang, Kenneth. "A Small Step Toward Ideal of Limitless Power. IN The New York Times International Weekly." Manila Bulletin .
एमएलए (9वां संस्करण) प्रशस्ति पत्रChang, Kenneth. "A Small Step Toward Ideal of Limitless Power. IN The New York Times International Weekly." Manila Bulletin, .
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