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Hoffman, Steven J.; Baral, Prativa; Rogers Van Katwyk, Susan; Sritharan, Lathika; Hughsam, Matthew; Randhawa, Harkanwal; Lin, Gigi; Campbell, Sophie; Campus, Brooke; Dantas, Maria; Foroughian, Neda; Groux, Gaëlle; Gunn, Elliot; Guyatt, Gordon; Habibi, Roojin; Karabit, Mina; Karir, Aneesh; Kruja, Krista; Lavis, John N.; Lee, Olivia; Li, Binxi; Nagi, Ranjana; Naicker, Kiyuri; Røttingen, John-Arne; Sahar, Nicola; Srivastava, Archita; Tejpar, Ali; Tran, Maxwell; Zhang, Yu-qing; Zhou, Qi; Poirier, Mathieu J. P. (9 August 2022). "International treaties have mostly failed to produce their intended effects". Proceedings of the National Academy of Sciences. 119 (32): e2122854119. Bibcode:2022PNAS..11922854H. doi:10.1073/pnas.2122854119. ISSN0027-8424. PMC9372541. PMID35914153.
Lowi, Theodore J. (July 1972). "Four Systems of Policy, Politics, and Choice". Public Administration Review. 32 (4): 298–310. doi:10.2307/974990. JSTOR974990.