United States. National Labor Relations Board. Classification outline with topical index for decisions of the National Labor Relations Board and related court decisions. National Labor Relations Board.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. National Labor Relations Board. Classification Outline with Topical Index for Decisions of the National Labor Relations Board and Related Court Decisions. [Washington, D.C.]: National Labor Relations Board.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. National Labor Relations Board. Classification Outline with Topical Index for Decisions of the National Labor Relations Board and Related Court Decisions. National Labor Relations Board.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.