Coe, Seraiah T; Elmore, Jared A. (2021년 12월 23일). “Free-ranging domestic cat abundance and sterilization percentage following five years of a trap–neuter–return program”. 《Wildlife Biology》 2021. doi:10.2981/wlb.00799. S2CID233938210.
Coe, Seraiah T; Elmore, Jared A. (2021년 12월 23일). “Free-ranging domestic cat abundance and sterilization percentage following five years of a trap–neuter–return program”. 《Wildlife Biology》 2021. doi:10.2981/wlb.00799. S2CID233938210.