[USA] Overcoming Language Barriers: Solutions for Law Enforcement / Vera Institute of Justice, March 2007PDF - http://www.vera.org/publication_pdf/382_735.pdf
Susan Shah, Insha Rahman, Anita Khashu
"With immigration in the US growing and increasingly dispersed, many law enforcement practitioners are looking for ways to improve contact with people who cannot speak or understand English well. Drawing upon the experiences of three departments, this report offers a range of practical steps and strategies that agencies can adopt, according to their specific needs and available resources."