APA-referens (7:e uppl.)
(1971). Recommendations for Northeast corridor transportation: Main report. Vol. 2. U.S. Dep. of Transportation.
Chicago-referens (17:e uppl.)
Recommendations for Northeast Corridor Transportation: Main Report. Vol. 2. Washington: U.S. Dep. of Transportation, 1971.
MLA-referens (9:e uppl.)
Recommendations for Northeast Corridor Transportation: Main Report. Vol. 2. U.S. Dep. of Transportation, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.