Friedrich, Carl J., author
Blaisdell, 1949
Buku Teks
Becker, Carl L. (Carl Lotus), 1873-1945, author
Yale University Press, 1959
Buku Teks
Yayasan obor Indonesia, 2005
Buku Teks
Barbu, Zevedei, author
Routledge & Kegan Paul, 1956
Buku Teks
Herman, Susan N., author
Oxford Univesity Press, 2011
Buku Teks