Cooper, T. (2008). Laying the foundations: A history and archaeology of the Trent Valley sand and gravel industry. Council for British Archaeology.
Cita Chicago Style (17a ed.)Cooper, Tim. Laying the Foundations: A History and Archaeology of the Trent Valley Sand and Gravel Industry. York: Council for British Archaeology, 2008.
Cita MLA (9a ed.)Cooper, Tim. Laying the Foundations: A History and Archaeology of the Trent Valley Sand and Gravel Industry. Council for British Archaeology, 2008.
Precaución: Estas citas no son 100% exactas.