Gilbert, R., & Perl, A. (2010). Transport revolutions: Moving people and freight without oil (Rev. and updated ed.). New Society Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGilbert, Richard, और Anthony Perl. Transport Revolutions: Moving People and Freight Without Oil. Rev. and updated ed. Canada: New Society Pub, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGilbert, Richard, और Anthony Perl. Transport Revolutions: Moving People and Freight Without Oil. Rev. and updated ed. New Society Pub, 2010.
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