Kaun, S. (2014). A critical path: The quest to restore and protect Liberty Lake by the Community of Liberty Lake, Washington, the Washington State Department of Ecology, the U.S. Environmental Protection Agency, the Farmers Home Administration : a chronicle and personal remembrance of the Liberty Lake Sewer District #1, Spokane County, Washington from 1973 to 1993. s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kaun, Susan. A Critical Path: The Quest to Restore and Protect Liberty Lake by the Community of Liberty Lake, Washington, the Washington State Department of Ecology, the U.S. Environmental Protection Agency, the Farmers Home Administration : A Chronicle and Personal Remembrance of the Liberty Lake Sewer District #1, Spokane County, Washington from 1973 to 1993. [S.l.: s.n.], 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kaun, Susan. A Critical Path: The Quest to Restore and Protect Liberty Lake by the Community of Liberty Lake, Washington, the Washington State Department of Ecology, the U.S. Environmental Protection Agency, the Farmers Home Administration : A Chronicle and Personal Remembrance of the Liberty Lake Sewer District #1, Spokane County, Washington from 1973 to 1993. s.n.], 2014.