RADFORD, Tim. Study shows human sacrifice was less likely in more equal societies. The Guardian [online]. Monday 4 April 2016 [cit. 2016-04-04]. Dostupné online. ISSN0261-3077.
RADFORD, Tim. Study shows human sacrifice was less likely in more equal societies. The Guardian [online]. Monday 4 April 2016 [cit. 2016-04-04]. Dostupné online. ISSN0261-3077.