Παραπομπή APA

Blaisdell, R. F. (1964). Sources of information in transportation. [s.l.]: Northwestern University Press.

Παραπομπή Chicago Style

Blaisdell, Ruth F. Sources of Information in Transportation. [s.l.]: Northwestern University Press, 1964.

Παραπομπή MLA

Blaisdell, Ruth F. Sources of Information in Transportation. [s.l.]: Northwestern University Press, 1964.

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