E.g., Lefcoe, George, "The Regulation of Superstores: The Legality of Zoning Ordinances Emerging from the Skirmishes between Wal-Mart and the United Food and Commercial Workers Union" (April 2005). USC Law, Legal Studies Research Paper No. 05-12; and USC Law and Economics Research Paper No. 05-12. Available at SSRN or [10.2139/ssrn.10.2139/ssrn.712801 DOI]
thecanadianencyclopedia.ca
Thomas, Eileen Mitchell (February 7, 2006). "Zoning". The Canadian Encyclopedia. Canada. สืบค้นเมื่อ 30 October 2015.
