Williams, Joseph M.
The University of Chicago Press, 1990
Buku Teks
Asrika Mayang Puti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2009
UI - Skripsi (Open)
edited by Norman Page
Macmillan, 1984
Buku Teks
Epstein, E.L., author
Methuen, 1978
Buku Teks
Webber, John
University of Wisconsin Press, 1968
Buku Teks