Priyanto Wibowo
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1992
UI - Laporan Penelitian
Dep P dan K, 1990
Buku Teks SO
Kraus, Michael
University of Oklahoma Press, 1953
Buku Teks
Casparis, J.G. (Johannes Gijsbertus) de
Penerbitan Universitas, 1958
Buku Teks
edited by Soedjatmoko, prepared under the auspices of the modern Indonsia project Southeast Asia Program Cornell University
Cornell University Press, 1965
Buku Teks