Cita APA (7th ed.)

Hewlett, P. C. (2003). Lea's chemistry of cement and concrete (Fourth edition.). Butterworth-Heinemann. https://doi.org/10.1016/B978-0-7506-6256-7.X5007-3

Cita Chicago (17th ed.)

Hewlett, P. C. Lea's Chemistry of Cement and Concrete. Fourth edition. London: Butterworth-Heinemann, 2003. https://doi.org/10.1016/B978-0-7506-6256-7.X5007-3.

Cita MLA (9th ed.)

Hewlett, P. C. Lea's Chemistry of Cement and Concrete. Fourth edition. Butterworth-Heinemann, 2003. https://doi.org/10.1016/B978-0-7506-6256-7.X5007-3.

Atenció: Aquestes cites poden no estar 100% correctes.