Phillips, Harry C.J.; Kerr, Liz (June 2019). "Western Australia July to December 2018". Australian Journal of Politics & History. 65 (2): 323. doi:10.1111/ajph.12580. ISSN0004-9522. S2CID197780585.
Phillips, Harry C.J.; Kerr, Liz (June 2019). "Western Australia July to December 2018". Australian Journal of Politics & History. 65 (2): 323. doi:10.1111/ajph.12580. ISSN0004-9522. S2CID197780585.
Phillips, Harry C.J.; Kerr, Liz (June 2019). "Western Australia July to December 2018". Australian Journal of Politics & History. 65 (2): 323. doi:10.1111/ajph.12580. ISSN0004-9522. S2CID197780585.