edited by Peter Roberts, Hugh Sykes
Sage Publications, 2003
Buku Referensi
edited by Ruth Fincher and Jane M. Jacobs
Guilford Press, 1998
Buku Teks
Francesco Calabro, Lucia Della Spina, Carmelina Bevilacqua, editor
Springer, 2018
Buku Teks
Kohl, Benyamin H., author
Zed Books, 2006
Buku Teks
Innes, Judith E., author
Routledge, 2010
Buku Teks