edited by Ulli Beier
University of Queensland Press, 1980
Buku Teks
Leach, James, author
Berghahn Books, 2004
Buku Teks
Tuzin, Donald F., author
University of california Press, 1976
Buku Teks
Mikesell, Raymond F.
The Johns Hopkins university press, 1975
Buku Teks
Williams, Maslyn, author
Cheshire, 1970
Buku Teks