United Nations Conference on Trade and Development. (1999). Trends in international investment agreements: An overview. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Conference on Trade and Development. Trends in International Investment Agreements: An Overview. New York and Geneva: United Nations, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Conference on Trade and Development. Trends in International Investment Agreements: An Overview. United Nations, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.