Yayasan Proklamasi,
Majalah, Jurnal, Buletin
rakesh kumar,
Majalah, Jurnal, Buletin
University Of Pennsylvania Press,
Majalah, Jurnal, Buletin
Ray, Nicholas Dylan
Graham & Trotman, 1995
Buku Teks
Amsterdam : Free University Amsterdam the Netherlands
Majalah, Jurnal, Buletin