Dyfyniad APA

(1993). High Performance Concrete In Severe Environments Editor Paulzia. American Concrete Institute.

Dyfyniad Arddull Chicago

High Performance Concrete In Severe Environments Editor Paulzia. American Concrete Institute, 1993.

Dyfyniad MLA

High Performance Concrete In Severe Environments Editor Paulzia. American Concrete Institute, 1993.

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