Pratt, Julius W., author
Prentice-Hall, 1965
Buku Teks
Sri Lestari, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Tesis (Membership)
Chang, Richard T., author
Sophia University, 1970
Buku Teks
Levi, Werner
Minnesota Press, 1953
Buku Teks
Sophia University, 1972
Buku Teks