Trecker, H. B. (1973). Goals for social welfare, 1973-1993; an overview of the next two decades. Association Press.
芝加哥风格引文Trecker, Harleigh B. Goals for Social Welfare, 1973-1993; an Overview of the Next Two Decades. New York: Association Press, 1973.
MLA引文Trecker, Harleigh B. Goals for Social Welfare, 1973-1993; an Overview of the Next Two Decades. Association Press, 1973.
警告：这些引文格式不一定是100％准确.