Miller, John C.
Stanford University Press, 1965
Buku Teks
Moniz, Amanda B.
Oxford University Press, 2016
eBooks
Fukuyama, Francis
Farrar, Straus and Giruox, 2012
Buku Teks
Lewis-Williams, David
Thames & Hudson, 2002
Buku Teks
Doyle, William
Oxford University Press , 1989
Buku Teks