edited by Phil Hubbard and Rob Kitchin
Sage, 2011
Buku Teks
Barry Lee, editor
Continuum International Pub. Group, 2011
Buku Teks
Joy A. Palmer
Routledge , 2001
Buku Teks
Edinburgh, Edinburgh University Press, 2005
Buku Referensi
Siobhan Chapman
Oxford University Press, 2005
Buku Teks