Mark, D. (2007). Going dirty: : the art of negative campaigning. Rowman and Littlefield.
Cita Chicago Style (17a ed.)Mark, David. Going Dirty: : The Art of Negative Campaigning. Lanham [etc.]: Rowman and Littlefield, 2007.
Cita MLA (9a ed.)Mark, David. Going Dirty: : The Art of Negative Campaigning. Rowman and Littlefield, 2007.
Precaución: Estas citas no son 100% exactas.