Morris, M.C. (2006). “The ethics and politics of the caged layer hen debate in New Zealand”. Journal of Agricultural and Environmental Ethics. 19 (5): 495–514. doi:10.1007/s10806-006-9007-8. S2CID154114874.
Morris, M.C. (2006). “The ethics and politics of the caged layer hen debate in New Zealand”. Journal of Agricultural and Environmental Ethics. 19 (5): 495–514. doi:10.1007/s10806-006-9007-8. S2CID154114874.