Boylan, R. J., & Counts, R. (1968). A glossary of zoning definitions. American Society of Planning Officials.
Lua i Stíl Chicago (17ú heag.)Boylan, Robert J., agus Richard Counts. A Glossary of Zoning Definitions. Chicago: American Society of Planning Officials, 1968.
Lua MLA (9ú heag.)Boylan, Robert J., agus Richard Counts. A Glossary of Zoning Definitions. American Society of Planning Officials, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.