Sugarman, E. E. (1951). Opportunities in journalism. Grosset & Dunlap.
芝加哥风格引文Sugarman, Elias Eugene. Opportunities in Journalism. New York: Grosset & Dunlap, 1951.
MLA引文Sugarman, Elias Eugene. Opportunities in Journalism. Grosset & Dunlap, 1951.
警告：这些引文格式不一定是100％准确.