George Washington University. Population Information Program, George Washington University. Dept. of Medical and Public Affairs, & Johns Hopkins University. Population Information Program. (1973). Population reports. Dept. of Medical and Public Affairs, George Washington University Medical Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)George Washington University. Population Information Program, George Washington University. Dept. of Medical and Public Affairs, و Johns Hopkins University. Population Information Program. Population Reports. Washington, D.C.: Dept. of Medical and Public Affairs, George Washington University Medical Center, 1973.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)George Washington University. Population Information Program, et al. Population Reports. Dept. of Medical and Public Affairs, George Washington University Medical Center, 1973.