Dyfyniad APA

(1993). Structural Light Weight Aggregate Concrete. Blackie academic.

Dyfyniad Arddull Chicago

Structural Light Weight Aggregate Concrete. Blackie academic, 1993.

Dyfyniad MLA

Structural Light Weight Aggregate Concrete. Blackie academic, 1993.

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