Instituto Brasileiro de Informação em Ciência e Tecnologia

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Não informado. (1973). Population Reports. Geoge Washington University, Department of Medical and Public Affairs.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Não informado. Population Reports. Washington: Geoge Washington University, Department of Medical and Public Affairs, 1973.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Não informado. Population Reports. Geoge Washington University, Department of Medical and Public Affairs, 1973.