Hoyle, B. S., & Knowles, R. D. (1992). Modern transport geography/L. Belhaven Pr.
Tohutoru Kātū Chicago (17th ed.)Hoyle, B. S., me R. D. Knowles. Modern Transport Geography/L. London: Belhaven Pr, 1992.
Tohutoro MLA (9th ed.)Hoyle, B. S., me R. D. Knowles. Modern Transport Geography/L. Belhaven Pr, 1992.
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