-. (1990). Ensiklopedi Nasional Indonesia Jilid 13: PER-PY. PT.Cipta Adi Pustaka.
Chicago Style Citation-. Ensiklopedi Nasional Indonesia Jilid 13: PER-PY. PT.Cipta Adi Pustaka, 1990.
MLA Citation-. Ensiklopedi Nasional Indonesia Jilid 13: PER-PY. PT.Cipta Adi Pustaka, 1990.
Warning: These citations may not always be 100% accurate.