@unpublished{repository4228,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {BAP NIlai sosiolinguistik},
             url = {http://repository.uhamka.ac.id/id/eprint/4228/},
          author = {Suyatno, Suyatno}
}