Flavio Argirò et al., [La Corte penale internazionale: organi, competenza, reati, processo](https://books.google.ch/books?id=VJK1pTDAcUoC&pg=PA451&lpg=PA451&dq=%22immunit%C3%A0+ratione+materiae%22&source=bl&ots=s3c9VR8Q0T&sig=oqNvS8uErIxDcRFcGsaQQsXUD0c&hl=it&sa=X&ved=0ahUKEwil0-aJntPQAhWFWhQKHYJ1DeoQ6AEIHTAA#v=onepage&q=%22immuni), Giuffrè, 2006, p. 451.