Cowles, M. P. Voices of the pioneers. Spokane Public Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowles, Margaret Paine. Voices of the Pioneers. [Spokane, WA: Spokane Public Library.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowles, Margaret Paine. Voices of the Pioneers. Spokane Public Library.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.