Seeberger, E. D. (1989). Sine die: A guide to the Washington State legislative process. Institute for Public Policy and Management and the Graduate School of Public Affairs, University of Washington : Distributed by University of Washington Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Seeberger, Edward D. Sine Die: A Guide to the Washington State Legislative Process. Seattle: Institute for Public Policy and Management and the Graduate School of Public Affairs, University of Washington : Distributed by University of Washington Press, 1989.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Seeberger, Edward D. Sine Die: A Guide to the Washington State Legislative Process. Institute for Public Policy and Management and the Graduate School of Public Affairs, University of Washington : Distributed by University of Washington Press, 1989.