@book{repository574,
            year = {2014},
       publisher = {Kementerian Pendidikan dan Kebudayaan},
           title = {Modul Mata Pelajaran Sejarah SMA Kelas XI},
          author = {Gunawan, Rudy},
             url = {http://repository.uhamka.ac.id/id/eprint/574/}
}