Vickerman, R. (2022). Opening remarks: Has the Channel Tunnel delivered? Traffic flows and regional impacts after 20+ years. URI:https://journals.openedition.org/rhcf.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVickerman, Roger. "Opening Remarks: Has the Channel Tunnel Delivered? Traffic Flows and Regional Impacts After 20+ Years." URI:https://journals.openedition.org/rhcf 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVickerman, Roger. "Opening Remarks: Has the Channel Tunnel Delivered? Traffic Flows and Regional Impacts After 20+ Years." URI:https://journals.openedition.org/rhcf, 2022.
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