Cita APA (7th ed.)
Levitt, M. (1997). Concrete materials: Problems and solutions. E & FN Spon.
Cita Chicago (17th ed.)
Levitt, M. Concrete Materials: Problems and Solutions. London ; New York: E & FN Spon, 1997.
Cita MLA (9th ed.)
Levitt, M. Concrete Materials: Problems and Solutions. E & FN Spon, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.