Dyfyniad APA

(1992). Structural Light Weight Aggregate Concrete Performance. ACI.

Dyfyniad Arddull Chicago

Structural Light Weight Aggregate Concrete Performance. ACI, 1992.

Dyfyniad MLA

Structural Light Weight Aggregate Concrete Performance. ACI, 1992.

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