Voegelin, C.F.
Elsevier, 1977
Buku Teks
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Universitas Indonesia, 1995
UI - Tugas Akhir
Pike, Kenneth L. (Kenneth Lee), 1912-2000, author
University of Michigan Press, 1945
Buku Teks