Pickard, J. P., & Balaban, A. G. (1963). Urban real estate research -1961. Urban Land Institute.
芝加哥风格引文Pickard, Jerome Percival, 与 Arlene G. Balaban. Urban Real Estate Research -1961. Washington, D. C: Urban Land Institute, 1963.
MLA引文Pickard, Jerome Percival, 与 Arlene G. Balaban. Urban Real Estate Research -1961. Urban Land Institute, 1963.
警告：这些引文格式不一定是100％准确.