Klemstine, Charles F., author
Garland Publishing, 1984
Buku Teks
Beal, Edwin G., author
Library of Congress, 1950
Buku Teks
Teygeler, Rene, author
Hague, 2001
Buku Teks
Tsurumi, Yoshi, author
Praeger, 1978
Buku Teks
Dunne, Lavon J., author
McGraw-Hill , 2001
Buku Teks