Earle, J. B. F. (1971). A century of road materials : the history of the Roadstone Division of Tarmac Ltd. / by J.B.F. Earle: The history of the Roadstone Division of Tarmac Ltd. Blackwell.
Chicago Style (17th ed.) CitationEarle, J. B. F. A Century of Road Materials : The History of the Roadstone Division of Tarmac Ltd. / by J.B.F. Earle: The History of the Roadstone Division of Tarmac Ltd. Blackwell, 1971.
MLA (9th ed.) CitationEarle, J. B. F. A Century of Road Materials : The History of the Roadstone Division of Tarmac Ltd. / by J.B.F. Earle: The History of the Roadstone Division of Tarmac Ltd. Blackwell, 1971.
Warning: These citations may not always be 100% accurate.