توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Valaskakis, K., & Martin, I. Economic indicators and the gpid: An attempt to bring economics back into the church without losing the fait. The United Nations University.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Valaskakis, Kimon, و Iris Martin. Economic Indicators and the Gpid: An Attempt to Bring Economics Back into the Church Without Losing the Fait. Montreal: The United Nations University.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Valaskakis, Kimon, و Iris Martin. Economic Indicators and the Gpid: An Attempt to Bring Economics Back into the Church Without Losing the Fait. The United Nations University.