McCann, Stewart J. H., and Chantelle Zawila. “American State Gun Law Strength and State Resident Differences in Neuroticism Levels”. Journal of Social and Political Psychology 4, no. 1 (April 7, 2016): 91-113. Accessed May 4, 2024. https://jspp.psychopen.eu/index.php/jspp/article/view/4907.