Buel, R. A. (1972). Dead end: The automobile in mass transportation. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Buel, Ronald A. Dead End: The Automobile in Mass Transportation. Englewood Cliffs, N.J: Prentice-Hall, 1972.
Lua MLA (9ú heag.)Buel, Ronald A. Dead End: The Automobile in Mass Transportation. Prentice-Hall, 1972.
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