Blair, L. H., & Schwartz, A. I. (1972). How clean is our city?: A guide for measuring the effectiveness of solid waste collection activities. Urban Institute.
Цитирование в стиле Чикаго (17-е изд.)Blair, Louis H., и Alfred I. Schwartz. How Clean Is Our City?: A Guide for Measuring the Effectiveness of Solid Waste Collection Activities. Washington: Urban Institute, 1972.
Цитирование MLA (8-е изд.)Blair, Louis H., и Alfred I. Schwartz. How Clean Is Our City?: A Guide for Measuring the Effectiveness of Solid Waste Collection Activities. Urban Institute, 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.