Colin-Jones, Graham
Times Books International, 1989
Buku Teks SO
Jakarta : KITLV (Royal Netherlands Institute of Southeast Asia and Caribbean Studies)
Majalah, Jurnal, Buletin
Neill, D.J.
Wright, 1990
Buku Teks SO
Ariyanti Rezeki
Fakultas Kedokteran Gigi Universitas Indonesia, 2017
UI - Tugas Akhir
Yuskandini Wijayanti
Fakultas Hukum Universitas Indonesia, 2015
UI - Tesis Membership