Armstrong, M., & Vickers, J. (2012). Consumer protection and contingent charges. American Economic Association.
Lua i Stíl Chicago (17ú heag.)Armstrong, M., agus J. Vickers. Consumer Protection and Contingent Charges. American Economic Association, 2012.
Lua MLA (9ú heag.)Armstrong, M., agus J. Vickers. Consumer Protection and Contingent Charges. American Economic Association, 2012.
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