Muqaddimah Ibn Khaldun - Abdurrahman Ibn Muhammad Ibn-Khaldun (Al Hayah al Misriyah al Ammah, 2006)
ws.jl.3.c.1-4,jl.1.c.1,jl.2.c.1-3,sgh jl.1=c2-3,jil.3=c 5-7