McKean, D. (1991). Should the United States protect cultural resources? The Annenberg Washington Program.
Cita Chicago Style (17a ed.)McKean, David. Should the United States Protect Cultural Resources? Washington: The Annenberg Washington Program, 1991.
Cita MLA (9a ed.)McKean, David. Should the United States Protect Cultural Resources? The Annenberg Washington Program, 1991.
Precaución: Estas citas no son 100% exactas.