SARGENT, L. T. (1987). Contemporary political ideologies.-- ed.7. Brooks/Cole.
芝加哥风格引文SARGENT, Lyman Tower. Contemporary Political Ideologies.-- Ed.7. California: Brooks/Cole, 1987.
MLA引文SARGENT, Lyman Tower. Contemporary Political Ideologies.-- Ed.7. Brooks/Cole, 1987.
警告：这些引文格式不一定是100％准确.