Dyfyniad APA

(1979). Deflections of Prestressed concrete members. ACI.

Dyfyniad Arddull Chicago

Deflections of Prestressed Concrete Members. ACI, 1979.

Dyfyniad MLA

Deflections of Prestressed Concrete Members. ACI, 1979.

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