Sno-Engineering Inc & Washington State Parks and Recreation Commission. (1992). Final Mt. Spokane State Park alpine ski area study, executive summary. Sno.engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSno-Engineering Inc और Washington State Parks and Recreation Commission. Final Mt. Spokane State Park Alpine Ski Area Study, Executive Summary. Bellevue, Wash.: Sno.engineering, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSno-Engineering Inc और Washington State Parks and Recreation Commission. Final Mt. Spokane State Park Alpine Ski Area Study, Executive Summary. Sno.engineering, 1992.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.