King, A. (2010). Ontario immunization rate for polio. Canadian Medical Association.
Citação norma ChicagoKing, Arlene. Ontario Immunization Rate for Polio. Canadian Medical Association, 2010.
MLA引文King, Arlene. Ontario Immunization Rate for Polio. Canadian Medical Association, 2010.
警告:這些引文格式不一定是100%准確.