Newspaper Index Project. (1938). Northwest tribune index, 1880-1895. State College of Washington].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNewspaper Index Project. Northwest Tribune Index, 1880-1895. [Pullman: State College of Washington], 1938.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNewspaper Index Project. Northwest Tribune Index, 1880-1895. State College of Washington], 1938.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.