Tyler, N., & Ward, R. M. (2011). Planning and community development: A guide for the 21st century. W. W. Norton & Company.
Lua i Stíl Chicago (17ú heag.)Tyler, Norman, agus Robert M. Ward. Planning and Community Development: A Guide for the 21st Century. New York: W. W. Norton & Company, 2011.
Lua MLA (9ú heag.)Tyler, Norman, agus Robert M. Ward. Planning and Community Development: A Guide for the 21st Century. W. W. Norton & Company, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.