- Rapporti contrattuali fra Stati e Organizzazione Internazionale.
- Rapporti contrattuali fra Stati e Organizzazione Internazionale (edizione 2019).
- Le Domaine réservé, l’organisation international et le rapport entre droit international et droit interne.
- The plea of domestic jurisdiction before the International Court of Justice: substance or procedure?
In the preparation of all the said reports to the ILC, the present writer G.A.R. has availed himself of the valuable cooperation of Giuseppe Palmisano, at the time Assistant professor at the School of Law, La Sapienza University, at present Professor of international law in the University of Roma Tre, as well as Alessandra Gianelli, at present Professors of European Union Law in the “La Sapienza” University and Antonio Marchesi, at present Professors of International Law in the University of Teramo.