Herr, E. L. (1979). Career guidance through the life span: Systematic approaches. Little, Brown and Co..
芝加哥风格引文Herr, Edwin L. Career Guidance Through the Life Span: Systematic Approaches. Boston: Little, Brown and Co., 1979.
MLA引文Herr, Edwin L. Career Guidance Through the Life Span: Systematic Approaches. Little, Brown and Co., 1979.
警告：这些引文格式不一定是100％准确.