Bye, John "Gestalt". «Tzar: [The Burden of the Crown]». Eurogamer. Gamer Network, March 16, 2000. Arxivat de l'original el March 29, 2001. [Consulta: March 13, 2021].
Bye, John "Gestalt". «Tzar: [The Burden of the Crown]». Eurogamer. Gamer Network, March 16, 2000. Arxivat de l'original el March 29, 2001. [Consulta: March 13, 2021].