Dyfyniad APA

Harris, F. (1983). Ground Engineering, Equipment and Mathods. Granada.

Dyfyniad Arddull Chicago

Harris, Frank. Ground Engineering, Equipment and Mathods. London: Granada, 1983.

Dyfyniad MLA

Harris, Frank. Ground Engineering, Equipment and Mathods. Granada, 1983.

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