Cita APA (7th ed.)
Day, K. W., Aldred, J., & Hudson, B. Concrete Mix Design, Quality Control and Specification (4a edición.). CRC Press.
Cita Chicago (17th ed.)
Day, Ken W., James Aldred, i Barry Hudson. Concrete Mix Design, Quality Control and Specification. 4a edición. Boca Ratón, EUA: CRC Press.
Cita MLA (9th ed.)
Day, Ken W., et al. Concrete Mix Design, Quality Control and Specification. 4a edición. CRC Press.
Atenció: Aquestes cites poden no estar 100% correctes.