Gilbert, C., Luxenberg, G. A., & Tolon, M. (1990). Historic landscape report: Spalding Unit, Nez Perce National Historical Park, Idaho. U.S. Dept. of the Interior, National Park Service, Pacific Northwest Region, Cultural Resources Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGilbert, Cathy, Gretchen A. Luxenberg, और Marsha Tolon. Historic Landscape Report: Spalding Unit, Nez Perce National Historical Park, Idaho. Seattle, Wash.: U.S. Dept. of the Interior, National Park Service, Pacific Northwest Region, Cultural Resources Division, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGilbert, Cathy, et al. Historic Landscape Report: Spalding Unit, Nez Perce National Historical Park, Idaho. U.S. Dept. of the Interior, National Park Service, Pacific Northwest Region, Cultural Resources Division, 1990.