SPEELMAN, Reinier. Van Heck zet Machiavelli-reeks voort. Incontri. Rivista europea di studi italiani, [S. l.], v. 25, n. 2, p. 170–172, 2010. DOI: 10.18352/inc25256. Disponível em: https://rivista-incontri.nl/article/view/25256.. Acesso em: 5 dec. 2025.