Shaw, G., & Coles, T. (1995). European directories: a universal source for urban historians: Gareth Shaw and Tim Coles.
Chicago-viite (17. p.)Shaw, Gareth, ja Tim Coles. European Directories: A Universal Source for Urban Historians: Gareth Shaw and Tim Coles. Cambridge, 1995.
MLA-viite (8. p.)Shaw, Gareth, ja Tim Coles. European Directories: A Universal Source for Urban Historians: Gareth Shaw and Tim Coles. 1995.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.