Coba jelasin Al-Ifadat wa al-Insyadat. dari Asy-Syathibi dong

Dr. Ahmad Raysuni, Imam Shatibi's Theory of the Higher Objectives and Intents of Islamic Law translated by Nancy Roberts, publisher IIIT.

Wael B. Hallaq, A History of Islamic Legal Theories, Cambridge 1997, Ch. 5.