Mayer, Tom. “Review of ‘Crisis and Change Today: Basic Questions of Marxist Sociology, Second Edition,’ by Peter Knapp and Alan J. Spector”. Journal of World-Systems Research 19, no. 2 (August 26, 2013): 323–325. Accessed October 5, 2024. https://jwsr.pitt.edu/ojs/jwsr/article/view/504.