توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(2009). To enact certain laws relating to public contracts as title 41, United States Code, "Public Contracts" report (to accompany H.R. 1107). [microform].

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

To Enact Certain Laws Relating to Public Contracts as Title 41, United States Code, "Public Contracts" Report (to Accompany H.R. 1107). [microform]. 2009.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

To Enact Certain Laws Relating to Public Contracts as Title 41, United States Code, "Public Contracts" Report (to Accompany H.R. 1107). [microform]. 2009.