H.M. Gousha Company & Standard Oil Company of California. (1968). Street map of Spokane and Spokane Valley (1968 and 1969 eds.). H.M. Gousha Co..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रH.M. Gousha Company और Standard Oil Company of California. Street Map of Spokane and Spokane Valley. 1968 and 1969 eds. San Jose, Calif.: H.M. Gousha Co., 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रH.M. Gousha Company और Standard Oil Company of California. Street Map of Spokane and Spokane Valley. 1968 and 1969 eds. H.M. Gousha Co., 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.