Woods, S. (2013). Gray love: The career of Gov. John Early in the Cordilleras. Philippine Studies: Historical and Ethnographic Viewpoints.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWoods, Shelton. "Gray Love: The Career of Gov. John Early in the Cordilleras." Philippine Studies: Historical and Ethnographic Viewpoints 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWoods, Shelton. "Gray Love: The Career of Gov. John Early in the Cordilleras." Philippine Studies: Historical and Ethnographic Viewpoints, 2013.
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