Dyfyniad APA

Lea, F. M. (1970). The chemistry of cement and concrete (3rd ed.). Edward Arnold.

Dyfyniad Arddull Chicago

Lea, F. M. The Chemistry of Cement and Concrete. 3rd ed. London: Edward Arnold, 1970.

Dyfyniad MLA

Lea, F. M. The Chemistry of Cement and Concrete. 3rd ed. Edward Arnold, 1970.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.