Spokane Regional Solid Waste Disposal Project. (1989). Draft environmental impact statement for landfill siting and development. Prepared by Century West Engineering Corp..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Spokane Regional Solid Waste Disposal Project. Draft Environmental Impact Statement for Landfill Siting and Development. Spokane, Wash. (E. 429-3d, Spokane 99202): Prepared by Century West Engineering Corp., 1989.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Spokane Regional Solid Waste Disposal Project. Draft Environmental Impact Statement for Landfill Siting and Development. Prepared by Century West Engineering Corp., 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.