Kongelige Danske videnskabernes selskab & Hansen, M. H. (1993). The Ancient Greek city-state: Symposium on the occasion of the 250th anniversary of the Royal Danish Academy of Sciences and Letters, July, 1-4 1992. Royal Danish Academy of Sciences and Letters.
Cita Chicago Style (17a ed.)Kongelige Danske videnskabernes selskab y Mogens Herman Hansen. The Ancient Greek City-state: Symposium on the Occasion of the 250th Anniversary of the Royal Danish Academy of Sciences and Letters, July, 1-4 1992. Copenhagen: Royal Danish Academy of Sciences and Letters, 1993.
Cita MLA (9a ed.)Kongelige Danske videnskabernes selskab y Mogens Herman Hansen. The Ancient Greek City-state: Symposium on the Occasion of the 250th Anniversary of the Royal Danish Academy of Sciences and Letters, July, 1-4 1992. Royal Danish Academy of Sciences and Letters, 1993.