Dyfyniad APA

ORCHARD, D. (1978). Conrete Technology D.f. Orchard. Applied Science Publishers.

Dyfyniad Arddull Chicago

ORCHARD, D.F. Conrete Technology D.f. Orchard. Applied Science Publishers, 1978.

Dyfyniad MLA

ORCHARD, D.F. Conrete Technology D.f. Orchard. Applied Science Publishers, 1978.

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