Não informado. (1928). Public Utilities Fortnightly. Public Utilities Reports.
Chicago-viite (17. p.)Não informado. Public Utilities Fortnightly. Arlington, Va: Public Utilities Reports, 1928.
MLA-viite (8. p.)Não informado. Public Utilities Fortnightly. Public Utilities Reports, 1928.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.