توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Public Health and Environment. (1972). Research, treatment, and prevention of sickle cell anemia: Hearing, Ninety-second Congress, first session, on H.R. 11742, H.R. 7654, and H.R. 11171 (and all identical bills) .. U.S. Govt. Print. Off..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Public Health and Environment. Research, Treatment, and Prevention of Sickle Cell Anemia: Hearing, Ninety-second Congress, First Session, on H.R. 11742, H.R. 7654, and H.R. 11171 (and All Identical Bills) .. Washington: U.S. Govt. Print. Off., 1972.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Public Health and Environment. Research, Treatment, and Prevention of Sickle Cell Anemia: Hearing, Ninety-second Congress, First Session, on H.R. 11742, H.R. 7654, and H.R. 11171 (and All Identical Bills) .. U.S. Govt. Print. Off., 1972.