Armstrong, M., & Vickers, J. (2012). Consumer protection and contingent charges. American Economic Association.
Čikaški stil citiranja (17. izdanje)Armstrong, M., i J. Vickers. Consumer Protection and Contingent Charges. American Economic Association, 2012.
MLA način citiranja (9. izdanje)Armstrong, M., i J. Vickers. Consumer Protection and Contingent Charges. American Economic Association, 2012.
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