APA引文

U.S. Employment Service. Labor market information in the employment service program: Its nature, scope, sources [and] uses.

芝加哥风格引文

U.S. Employment Service. Labor Market Information in the Employment Service Program: Its Nature, Scope, Sources [and] Uses. Washington, D.C.

MLA引文

U.S. Employment Service. Labor Market Information in the Employment Service Program: Its Nature, Scope, Sources [and] Uses.