Holroyd, T. M. (1999). Site management for engineers. Thomas Telford.
Cita Chicago Style (17a ed.)Holroyd, Trevor M. Site Management for Engineers. Thomas Telford, 1999.
Cita MLA (8a ed.)Holroyd, Trevor M. Site Management for Engineers. Thomas Telford, 1999.
Precaución: Estas citas no son 100% exactas.