Dyfyniad APA

(1977). Bridge Substructure: Higway Engineering. Japan International Cooperatio.

Dyfyniad Arddull Chicago

Bridge Substructure: Higway Engineering. Japan International Cooperatio, 1977.

Dyfyniad MLA

Bridge Substructure: Higway Engineering. Japan International Cooperatio, 1977.

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