@book{Abu19993657,
  title     = {Al-Wadhih fi Ushul Al-Fiqh Vol. 4},
  author    = {Abu Al-Wafa Ali bin Aqil bin Muhammad bin Aqil Al-Baghdadi Al-Hambali},
  publisher = {Muassasah Ar-Risalah},
  year      = {1999},
}