editor, Avraham Sela
Continuum, 2002
Buku Referensi
Polk, William R. (William Roe), 1929-
St. Martin's Press, 1979
Buku Teks
Stocking, George W.
Vanderbilt University Press, 1970
Buku Teks
Bullard, Reader
Oxford university Press, 1958
Buku Teks
Carlson, Paul A.
South Western, 1957
Buku Teks