Hunt, Elgin F., author
Macmillan, 1984
Buku Teks
Hunt, Elgin F., author
Macmillan, 1961
Buku Teks
Junker, Buford H., author
University of Chicago Press, 1960
Buku Teks
edited by the London office of Hosein University
Hosei University , 1996
Buku Teks
Harrison, Brigid C., author
Thomson, 2008
Buku Teks