BURKHART, F. N. (1991). Media emergency warmings and citizen response. Westview.
芝加哥风格引文BURKHART, Ford N. Media Emergency Warmings and Citizen Response. Boulder: Westview, 1991.
MLA引文BURKHART, Ford N. Media Emergency Warmings and Citizen Response. Westview, 1991.
警告：这些引文格式不一定是100％准确.