توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

United States. Bureau of Labor Statistics. (1967). Labor law and practice in Guyana. For sale by the Supt. of Docs., U.S. Govt. Print. Off..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

United States. Bureau of Labor Statistics. Labor Law and Practice in Guyana. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

United States. Bureau of Labor Statistics. Labor Law and Practice in Guyana. For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1967.