Frumerman, H. (1978). Job vacancy statistics in the United States. National Commission on Employment and Unemployment Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
芝加哥风格引文Frumerman, Harry. Job Vacancy Statistics in the United States. Washington: National Commission on Employment and Unemployment Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
MLA引文Frumerman, Harry. Job Vacancy Statistics in the United States. National Commission on Employment and Unemployment Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
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