Kettler, David, James Struthers, and Christopher Huxley. “Unionization and Labour Regimes in Canada and the United States: Considerations for Comparative Research”. Labour / Le Travail 25 (January 1, 1990): 161–187. Accessed May 19, 2024. https://www.lltjournal.ca/index.php/llt/article/view/4762.