Bohannan, Paul, author
The National History Press, 1964
Buku Teks
Murray, Rachel, author
Cambridge University Press, 2004
Buku Teks
Maguire, Keith, author
Chambers, 1991
Buku Teks
edited by Richard Ellman and Robert O'Clair
W.W. Norton, 1973
Buku Teks
edited by S.L. Poplai
Asia Publishing House, 1955
Buku Teks