@book{repository573,
            year = {2015},
       publisher = {Kementerian Pendidikan dan Kebudayaan},
           title = {Modul Mata Pelajaran Sejarah SMA Kelas XII},
             url = {http://repository.uhamka.ac.id/id/eprint/573/},
          author = {Gunawan, Rudy}
}