Caskey, C. (2018). Haunted Hillyard: The history & folklore of Spokane's oldest suburb. Inland Cascadia Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCaskey, Chet. Haunted Hillyard: The History & Folklore of Spokane's Oldest Suburb. Spokane, Washington: Inland Cascadia Publishing, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCaskey, Chet. Haunted Hillyard: The History & Folklore of Spokane's Oldest Suburb. Inland Cascadia Publishing, 2018.
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