توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)
RAY, J., & ET AL. (1997). THE ROLE OF DEMOGRAPHIC AND ECONOMIC CHARACTERISTICS OF TWELVE MEMBER STATES OF THE EUROPEAN UNION IN THE DIVERSITY OF STATE SUPPORT FOR FAMILIES.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)
RAY, J.C, و ET AL. THE ROLE OF DEMOGRAPHIC AND ECONOMIC CHARACTERISTICS OF TWELVE MEMBER STATES OF THE EUROPEAN UNION IN THE DIVERSITY OF STATE SUPPORT FOR FAMILIES. 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)
RAY, J.C, و ET AL. THE ROLE OF DEMOGRAPHIC AND ECONOMIC CHARACTERISTICS OF TWELVE MEMBER STATES OF THE EUROPEAN UNION IN THE DIVERSITY OF STATE SUPPORT FOR FAMILIES. 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.