OBLA, K. H. (2015). Improving concrete quality. CRC Press.
Cita Chicago (17th ed.)OBLA, Karthikeyan H. Improving Concrete Quality. CRC Press, 2015.
Cita MLA (9th ed.)OBLA, Karthikeyan H. Improving Concrete Quality. CRC Press, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.