Dyfyniad APA
Levitt, M. (1997). Concrete materials: Problems and solutions. E & FN Spon.
Dyfyniad Arddull Chicago
Levitt, M. Concrete Materials: Problems and Solutions. London ; New York: E & FN Spon, 1997.
Dyfyniad MLA
Levitt, M. Concrete Materials: Problems and Solutions. E & FN Spon, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.