edted by Joseph S. Roucek
Greenwood Press , 1978
Buku Teks
edited by Roger Gomm, Martyn Hammersley and Peter Foster
Sage, 2000
Buku Teks
Ross Coomber [and others]
Sage, 2013
Buku Teks
Artikel Jurnal
edited by Margaret Yerby
Bailliere Tindall, 2000
Buku Teks