Taaffe, E. J. (1973). Geography of transportation. Prentice- Hall.
Tohutoru Kātū Chicago (17th ed.)Taaffe, Edward J. Geography of Transportation. Englewood- Cliffs: Prentice- Hall, 1973.
Tohutoro MLA (9th ed.)Taaffe, Edward J. Geography of Transportation. Prentice- Hall, 1973.
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