Anastasia Woro Ayu Pangastuti
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Tugas Akhir
Lindgren, Ernest
Collier Books, 1970
Buku Teks SO
edited by Jill Nelmes
Routledge, 1996
Buku Teks SO
Bettetini, Gianfranco
Mouton, 1973
Buku Teks SO
Burch, Noel
Praeger 1, 1973
Buku Teks SO