Henry, Nelson B.
University of Chicago Press , 1960
Buku Teks
Afnita Fauziah Rizki, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Skripsi (Open)
Whitehead, Alfred North, 1861-1947, author
The Free Press , 1968
Buku Teks
Lawson, Hal A., author
Allyn and Bacon, 1981
Buku Teks
Lucas, A.M.
Australia International Press , 1979
Buku Teks