Usman, E. K. (1997). Time for dialogue of life: Christmas and Ramadhan occur in a single month. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUsman, Edd K. "Time for Dialogue of Life: Christmas and Ramadhan Occur in a Single Month." Manila Bulletin 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUsman, Edd K. "Time for Dialogue of Life: Christmas and Ramadhan Occur in a Single Month." Manila Bulletin, 1997.
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