توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(2000). Revenue statistics: Special features : the treatment of non-wastable, tax credits, church tax, the impact of GDP revisions on reported tax levels : 1965-1999. OECD.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Revenue Statistics: Special Features : The Treatment of Non-wastable, Tax Credits, Church Tax, the Impact of GDP Revisions on Reported Tax Levels : 1965-1999. Paris, Cedex, France: OECD, 2000.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Revenue Statistics: Special Features : The Treatment of Non-wastable, Tax Credits, Church Tax, the Impact of GDP Revisions on Reported Tax Levels : 1965-1999. OECD, 2000.