Routledge , 1990
Buku Teks
Edited by Don Brothwell, Eric Higgs
Thames and Hudson, 1971
Buku Referensi
Watson, Patty Jo
Columbia University Press , ss 1971
Buku Teks
Clarke, David L
Methuen, 1968
Buku Teks
Deetz, James
Little, Brown & Co., 1971
Buku Teks