Source: http://www.ac-clermont.fr/disciplines/fileadmin/user_upload/Histoire-Geographie/Lyc%C3%A9e_programmes_2019_2020/Seconde/Seconde_Histoire/Th%C3%A8me_1_Le_monde_m%C3%A9diterran%C3%A9en/PPO_P%C3%A9ricl%C3%A8s_William_Brou.pdf