Dyfyniad APA

Dijk, J. C. v. (1993). Softening. Netherlands: TU Delft, Faculty of Civil Engineering.

Dyfyniad Arddull Chicago

Dijk, J. C. van. Softening. Netherlands: TU Delft, Faculty of Civil Engineering, 1993.

Dyfyniad MLA

Dijk, J. C. van. Softening. Netherlands: TU Delft, Faculty of Civil Engineering, 1993.

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