Ethics in government: Office of Government Ethics : hearings before the Subcommittee on Investigations of the Committee on Post Office and Civil Service, House of Representatives, Ninety-ninth Congress, second session, September 29 and 30, 1986.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ethics in Government: Office of Government Ethics : Hearings Before the Subcommittee on Investigations of the Committee on Post Office and Civil Service, House of Representatives, Ninety-ninth Congress, Second Session, September 29 and 30, 1986.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ethics in Government: Office of Government Ethics : Hearings Before the Subcommittee on Investigations of the Committee on Post Office and Civil Service, House of Representatives, Ninety-ninth Congress, Second Session, September 29 and 30, 1986.