Giuseppe Bulgarini d’Elci and Marco Sartori wrote the article “Amministratore di società, qualificazione giuridica e gratuità della prestazione” (Company directors: gratuitous nature and legal qualification) published in Guida al Lavoro, No. 36, September 15, 2017, a prestigious weekly guide on labour law and human resources issues edited by the daily paper il Sole24Ore.