@unpublished{repository6465,
           title = {A.Haqiqi, BAP Phonology 5A},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.Dr HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/6465/},
          author = {haqiqi, akhmad}
}