Northrup, H. R., & Bloom, G. F. (1963). Government and labor. R.D.Irwin.
芝加哥风格引文Northrup, Herbert R., 与 Gordon F. Bloom. Government and Labor. Homewood, Ill.: R.D.Irwin, 1963.
MLA引文Northrup, Herbert R., 与 Gordon F. Bloom. Government and Labor. R.D.Irwin, 1963.
警告：这些引文格式不一定是100％准确.