Leiden : KITLV Press
Majalah, Jurnal, Buletin
Utah , Salt Lake City : University of Utah Printing Service
Majalah, Jurnal, Buletin
Seoul : Northeast Asian Foundation
Majalah, Jurnal, Buletin
Iyer, Nandhini
ABC Publishing House , 1985
Buku Teks
Holsti, Ole R.
Boston Allen & Unwin 1984
Buku Teks