Hirsh, S. P. (1971). The Courage to change: New directions for career education. Englewood Cliffs.
芝加哥风格引文Hirsh, Sharlene Pearlman. The Courage to Change: New Directions for Career Education. Englewood Cliffs, N. J: Englewood Cliffs, 1971.
MLA引文Hirsh, Sharlene Pearlman. The Courage to Change: New Directions for Career Education. Englewood Cliffs, 1971.
警告：这些引文格式不一定是100％准确.