Impact of Empire (Organization). Workshop, Hekster, O., Kleijn, G. d., & Slootjes, D. (2007). Crises and the Roman Empire: Proceedings of the Seventh Workshop of the international network Impact of Empire, Nijmegen, June 20-24, 2006. Boston: Brill.
استشهاد بنمط شيكاغوImpact of Empire (Organization). Workshop, Olivier Hekster, Gerda de Kleijn, و Daniëlle Slootjes. Crises and the Roman Empire: Proceedings of the Seventh Workshop of the International Network Impact of Empire, Nijmegen, June 20-24, 2006. Boston: Brill, 2007.
MLA استشهادImpact of Empire (Organization). Workshop, Olivier Hekster, Gerda de Kleijn, و Daniëlle Slootjes. Crises and the Roman Empire: Proceedings of the Seventh Workshop of the International Network Impact of Empire, Nijmegen, June 20-24, 2006. Boston: Brill, 2007.