Hague Academy of International Law. Center for Studies and Research. (1993). La Dette ext'rieure : 1992: 1992 /Hague Academy of International Law, Centre for Sstudies and Research in International Law and International Relations. M. Nijhoff.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hague Academy of International Law. Center for Studies and Research. La Dette Ext'rieure : 1992: 1992 /Hague Academy of International Law, Centre for Sstudies and Research in International Law and International Relations. Dordrecht: M. Nijhoff, 1993.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hague Academy of International Law. Center for Studies and Research. La Dette Ext'rieure : 1992: 1992 /Hague Academy of International Law, Centre for Sstudies and Research in International Law and International Relations. M. Nijhoff, 1993.