Lambert, Sylvie
Roto Vision, 1998
Buku Referensi
Acton, Edward
Longman, 1986
Buku Teks SO
edited by Stephanie Abraham Hirsh and Philip Bacon
Harcourt Brace Jovanovich, 1988
Buku Teks SO
Wallbank, T. Walter
Scott, Foresman, 1965
Buku Teks SO
Reischauer, Edwin O.
Alfred A. Knopf, 1964
Buku Teks SO