al-Shairuzy, Abi Ishaq Ibrahim bin'Ali al-Lam'u fi Usul Fiqh / ta'lif Abi Ishaq Ibrahim bin'Ali - Surabaya : Syarikat Bankul Indah (n.d) - 75 p. ; 27 cm. Subjects--Topical Terms: Islamic law--Interpretation and constructionIslamic law--Sources