Giuseppe Bulgarini d’Elci and Roberta Cristaldi co-wrote the article “Dirigenti, nulle le clausole contrattuali che prevedono una formale investitura” (Executives, contract clauses requiring official appointment are void) published in Guida al Lavoro, No. 41, October 23, 2015, a prestigious weekly guide on labour law and human resources issues edited by the daily paper il Sole24Ore. The article commented on decision n. 18165/2015 of the Supreme Court.