توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

United States. Employment Standards Administration. Division of State Employment Standards & Mitchell, O. (1971). Federal labor laws and programs: A layman's guide (Rev.). For sale by the Supt. of Docs., U.S. Govt. Print. Off.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

United States. Employment Standards Administration. Division of State Employment Standards و Ora Mitchell. Federal Labor Laws and Programs: A Layman's Guide. Rev. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1971.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

United States. Employment Standards Administration. Division of State Employment Standards و Ora Mitchell. Federal Labor Laws and Programs: A Layman's Guide. Rev. For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1971.