Edited by Don Brothwell, Eric Higgs
Thames and Hudson, 1971
Buku Referensi
Sutton, Mark Q., author
Routledge, 2016
Buku Teks
Parkes, P.A
Croom Helm , 1986
Buku Teks
Watson, Patty Jo, author
Columbia University Press , ss 1971
Buku Teks
Clarke, David L, author
Methuen, 1968
Buku Teks