Hettne, Bjorn, author
Gramedia Pustaka Utama, 2001
Buku Teks
Japan : IDEC (Graduate School for International Development and Cooperation)
Majalah, Jurnal, Buletin
Kirana Virajati, author
2022
UI - Tugas Akhir
Oxford University Press , 1982
Buku Teks
Meier, Gerald M., author
Harper & Row, 1968
Buku Teks