@unpublished{repository3789,
           title = {Sejarah Intelektual 6 B},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof Dr Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/3789/},
          author = {Naredi, Hari}
}