Kroeber, Karl, author
Harper and Row, 1965
Buku Teks
Archer, Jerome W., author
McGraw-Hill, 1966
Buku Teks
edited by Geoffrey Miles
Routledge, 1999
Buku Teks
edited by Daniel Fischlin and Mark Fortier
Routledge, 2000
Buku Teks
New Canada Publications, 1980
Buku Teks