TY  - SER
AU  - Martin, Gregory J.
AU  - Peskowitz,Zachary
TI  - Agency Problems in Political Campaigns: Media Buying and Consulting 
AV  - APSR 122: 2 2018
PY  - 2018///
CY  - Washington
PB  - Cambridge University Press
UR  - http://dx.doi.org/10.1017/S0003055417000594
ER  -