American Society of Planning Officials. (1956). Rail lines and terminals in urban planning. ASPO.
Chicago-viite (17. p.)American Society of Planning Officials. Rail Lines and Terminals in Urban Planning. Chicago: ASPO, 1956.
MLA-viite (9. p.)American Society of Planning Officials. Rail Lines and Terminals in Urban Planning. ASPO, 1956.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.