Steinbock, Bonnie (1978). "Speciesism and the Idea of Equality". Philosophy. 53 (204). ss. 247-256. doi:10.1017/S0031819100016582.
Welsh, Matthew; Begg, Steve (2016). "What have we learned? Insights from a decade of bias research". The APPEA Journal. 56 (1). s. 435. doi:10.1071/aj15032. ISSN1326-4966.
worldcat.org
Welsh, Matthew; Begg, Steve (2016). "What have we learned? Insights from a decade of bias research". The APPEA Journal. 56 (1). s. 435. doi:10.1071/aj15032. ISSN1326-4966.