Seeley, Christopher
University of Hawai Press, 2000
Buku Teks
Earl, David Magarey
University of Washington Press, 1964
Buku Teks
Paine, Robert Treat, author
Penguin Books, 1955
Buku Teks
Umegaki, Michio
New York University press, 1988
Buku Teks
Agoncillo, Teodoro A.
R. P. Garcia Pub. Co., 1965
Buku Teks