Bagley, M. D., Kroll, C. A., Clark, K., & Redding, M. J. (1973). Aesthetics in environmental planning: Prepared for Office of Research and Development, U.S. Environmental Protection Agency. Washington Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bagley, Marilyn D., Cynthia A. Kroll, Kristin Clark, و Martin J. Redding. Aesthetics in Environmental Planning: Prepared for Office of Research and Development, U.S. Environmental Protection Agency. Washington: Washington Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bagley, Marilyn D., et al. Aesthetics in Environmental Planning: Prepared for Office of Research and Development, U.S. Environmental Protection Agency. Washington Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973.