National Association of City Transportation Officials. (2013). Urban Street Design Guide. Island Press.
Chicago-viite (17. p.)National Association of City Transportation Officials. Urban Street Design Guide. New York: Island Press, 2013.
MLA-viite (9. p.)National Association of City Transportation Officials. Urban Street Design Guide. Island Press, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.