Quinn, G., & Martin, P. (2019). From Brady to Murphy: Gun control polarization in the decades since the 103rd congress.
Chicago-viite (17. p.)Quinn, G., ja P. Martin. From Brady to Murphy: Gun Control Polarization in the Decades Since the 103rd Congress. 2019.
MLA-viite (9. p.)Quinn, G., ja P. Martin. From Brady to Murphy: Gun Control Polarization in the Decades Since the 103rd Congress. 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.