edited by Rick Delbridge and James Lowe
Routledge , 1998
Buku Teks
U.S. Government Printing Office, 1969
Buku Teks
Select Publishing, 2001
Buku Teks
John R. Logan, editor
Blackwell Publishing, 2008
Buku Teks
Crabtree, Robert H., author
John Wiley, 1994
Buku Teks