Denison, M. (1936). Advancing America; the drama of transportation and communication. Dodd, Mead & company.
Chicago-referens (17:e uppl.)Denison, Merrill. Advancing America; the Drama of Transportation and Communication. New York: Dodd, Mead & company, 1936.
MLA-referens (9:e uppl.)Denison, Merrill. Advancing America; the Drama of Transportation and Communication. Dodd, Mead & company, 1936.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.