Dyfyniad APA

Green, J. S. (1933). Concrete engineering. C. Griffin and company, limited.

Dyfyniad Arddull Chicago

Green, John Singleton. Concrete Engineering. London,: C. Griffin and company, limited, 1933.

Dyfyniad MLA

Green, John Singleton. Concrete Engineering. C. Griffin and company, limited, 1933.

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