Instituto Brasileiro de Informação em Ciência e Tecnologia

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Não informado. (2001). Society and economy in Central and Eastern Europe. Budapest University of Economic Sciences and Public Administration.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Não informado. Society and Economy in Central and Eastern Europe. Budapest: Budapest University of Economic Sciences and Public Administration, 2001.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Não informado. Society and Economy in Central and Eastern Europe. Budapest University of Economic Sciences and Public Administration, 2001.