توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Clark, G., & Wójcik, D. (2005). Financial valuation of the German model: The negative relationship between ownership concentration and stock market returns, 1997-2001. Clark University, MA, USA.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Clark, G., و D. Wójcik. Financial Valuation of the German Model: The Negative Relationship Between Ownership Concentration and Stock Market Returns, 1997-2001. Clark University, MA, USA, 2005.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Clark, G., و D. Wójcik. Financial Valuation of the German Model: The Negative Relationship Between Ownership Concentration and Stock Market Returns, 1997-2001. Clark University, MA, USA, 2005.