توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Petridou, K. (2008). EU-27 Foreign Direct Investments in Brazil, Russia, India and China more than doubled in 2007. Statistics in Focus: Economy and finance.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Petridou, Konstantia. "EU-27 Foreign Direct Investments in Brazil, Russia, India and China More than Doubled in 2007." Statistics in Focus: Economy and Finance 2008.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Petridou, Konstantia. "EU-27 Foreign Direct Investments in Brazil, Russia, India and China More than Doubled in 2007." Statistics in Focus: Economy and Finance, 2008.