Gill, Richard T. (Richard Thomas), 1927-2010, author
Prentice-Hall, 1963, 1967
Buku Teks
Gregg, Pauline, author
George G. Harrap, 1967
Buku Teks
Acton, Edward
Longman, 1986
Buku Teks
edited by Stephanie Abraham Hirsh and Philip Bacon
Harcourt Brace Jovanovich, 1988
Buku Teks
Reischauer, Edwin O., author
Alfred A. Knopf, 1964
Buku Teks