Covenants and zoning for research/business parks
MLA
Porter, Douglas R., et al. Covenants and zoning for research/business parks. Washington, D.C. : Urban Land Institute, [1986]
APA
Porter, D., Amato, L., Siskin, C. & Urban Land Institute. (1986). Covenants and zoning for research/business parks. Washington, D.C. : Urban Land Institute.
Chicago
Porter, Douglas R., Linda. Amato, Cheryl. Siskin and Urban Land Institute. Covenants and zoning for research/business parks. Washington, D.C. : Urban Land Institute, [1986]