APA-referens (7:e uppl.)

Sussell, J., & Thomson, J. A. (2015). Are changing constituencies driving rising polarization in the U.S. house of representatives? RAND Corporation.

Chicago-referens (17:e uppl.)

Sussell, Jesse, och James A. Thomson. Are Changing Constituencies Driving Rising Polarization in the U.S. House of Representatives? Santa Monica, California: RAND Corporation, 2015.

MLA-referens (9:e uppl.)

Sussell, Jesse, och James A. Thomson. Are Changing Constituencies Driving Rising Polarization in the U.S. House of Representatives? RAND Corporation, 2015.