توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)
CROSBY, G., & ET AL. (1996). THE EUROPEAN DIRECTORY OF OLDER AGE. INFORMATION AND ORGANISATIONS CONCERNED WITH OLDER PEOPLE IN THE 12 EC MEMBER STATES. CENTRE FOR POLICY ON AGEING.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)
CROSBY, G., و ET AL. THE EUROPEAN DIRECTORY OF OLDER AGE. INFORMATION AND ORGANISATIONS CONCERNED WITH OLDER PEOPLE IN THE 12 EC MEMBER STATES. Londres: CENTRE FOR POLICY ON AGEING, 1996.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)
CROSBY, G., و ET AL. THE EUROPEAN DIRECTORY OF OLDER AGE. INFORMATION AND ORGANISATIONS CONCERNED WITH OLDER PEOPLE IN THE 12 EC MEMBER STATES. CENTRE FOR POLICY ON AGEING, 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.