Stilkind, J. (1997). Frequently asked questions about El Niño. Manila Chronicle.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStilkind, Jerry. "Frequently Asked Questions About El Niño." Manila Chronicle 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStilkind, Jerry. "Frequently Asked Questions About El Niño." Manila Chronicle, 1997.
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