Humm, D., & Chrimes, M. (2001). Historic concrete: Background to appraisal. Thomas Telford.
Cita Chicago (17th ed.)Humm, Dawn, i Mike Chrimes. Historic Concrete: Background to Appraisal. London: Thomas Telford, 2001.
Cita MLA (8th ed.)Humm, Dawn, i Mike Chrimes. Historic Concrete: Background to Appraisal. Thomas Telford, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.